ZIP code 43015: Delaware

Delaware County · 57,563 residents

Tap water here comes from Olentangy River, treated at City of Delaware Water Treatment Plant. The water here

Delaware County

43015 in 10 facts

The 10 things that stand out about this ZIP against the other 1,232 in Ohio, each with its source.

  1. Where the water comes from Where the water here comes from: Olentangy River, drawn via the city's North and South intakes upstream of town (blended with 5 active deep wells). Source: EPA SDWIS
  2. Local history 1801 The town here was settled around 1801, earlier than 69% of the Ohio ZIPs with a researched town. Source: Ohio History Connection
  3. Spills 54 This ZIP has a lot of reported spills: 54 logged by Ohio EPA's emergency-response office since 2021, more than 98% of Ohio ZIPs. Source: Ohio EPA spills data
  4. Historic places 28 This ZIP has a lot of listed historic places: 28 on the National Register, more than 98% of Ohio ZIPs. Source: National Register data
  5. Rail crossings 35 This ZIP has a lot of rail crossings: 35 public at-grade crossings, more than 98% of Ohio ZIPs. Source: FRA crossing inventory (Form 71, current)
  6. Building permits 119.3 units per 1,000 residents New housing has grown fast here: 119.3 units permitted per 1,000 residents from 2016 through 2025, more than 98% of Ohio ZIPs. Source: Census building permits
  7. Nursing homes 0.2 mi This ZIP sits close to a nursing home: the nearest certified nursing home is 0.2 miles away, closer than 97% of Ohio ZIPs. Source: CMS Care Compare data
  8. EV chargers 0.5 mi This ZIP sits close to a DC fast charger: the nearest is 0.5 miles away, closer than 96% of Ohio ZIPs. Source: Alternative Fuels Data Center
  9. School tax 41.3 mills School property tax runs high here: 41.3 effective mills, more than 94% of Ohio ZIPs. Source: Ohio tax data series
  10. Dams 10 This ZIP has a lot of high-hazard dams nearby: 10 within 10 miles, more than 93% of Ohio ZIPs. Source: National Inventory of Dams

Local events in 43015

132 events in the next 90 days from 6 public calendars. All local events in 43015

  1. Farmers’ Market

    9 a.m. to noon · Mainstreet Delaware · From Destination Delaware County Ohio (Visit Delaware Ohio)

Checked October 20; the events page is refreshed daily.

Your ballot

Who represents 43015, and what is on its ballot for the November 3, 2026 general election.

Locator: Delaware County and Delaware's U.S. House, Ohio Senate and Ohio House districtsLocator: Delaware County and Delaware's U.S. House, Ohio Senate and Ohio House districts.Delaware CountyU.S. House district 4: Jim Jordan (R)Ohio Senate district 19: Andrew O. Brenner (R)Ohio House district 61: Beth Lear (R)
Delaware County and 43015's U.S. House, Ohio Senate and Ohio House districts.
43015's U.S. House, Ohio Senate and Ohio House districts
ChamberDistrictMemberParty
U.S. HouseDistrict 4 (87% of residents)——
U.S. HouseDistrict 12 (13% of residents)——
Ohio SenateDistrict 19Andrew O. BrennerR
Ohio HouseDistrict 61 (83% of residents)Beth LearR
Ohio HouseDistrict 60 (17% of residents)Brian LorenzR

U.S. House districts were redrawn for 2026 (Ohio Redistricting Commission, October 31, 2025). The district shown is the one on the November 3, 2026 ballot, which may differ from the district of your current representative.

This ZIP code is split between districts. Your street address decides which one is on your ballot; your county board of elections' sample ballot shows it.

Statewide races:

43015's district races:

Local questions and issues on 43015's 2026 ballot
JurisdictionTypeQuestion
Orange TownshipTax Levy (Additional)Authorizes an additional 1-mill property tax levy for the streets, roads & bridges of Orange Township for 5 years, beginning in 2027.
Concord TownshipTax Levy (Renewal)Renews a 1-mill property tax levy for the roads & bridges of Concord Township for 5 years, beginning in 2027.
Orange TownshipTax Levy (Renewal)Renews a 1-mill property tax levy for the parks & recreation of Orange Township for 5 years, beginning in 2027.
Berlin TownshipTax Levy (Renewal)Renews a 2.95-mill property tax levy for the fire protection & EMS of Berlin Township for 5 years, beginning in 2027.
Delaware CountyTax Levy (Additional)Authorizes an additional 1.8-mill property tax levy for the community developmental disabilities program & services of Delaware County for 5 years, beginning in 2026.

Matched to this ZIP by jurisdiction name: Berlin Township, Berlin Township Township, Brown Township, Brown Township Township, Concord Township, Concord Township Township, Delaware, Delaware City, Delaware Township, Delaware Township Township, Liberty Township, Liberty Township Township, Orange Township, Orange Township Township, Radnor Township, Radnor Township Township, Troy Township, Troy Township Township.

Last day of early in-person voting — 2026-11-01. Early in-person voting at county boards of elections ends on Sunday, November 1; the hours that day are 1 p.m. to 5 p.m. in the table above. By October 29, nearly 1.3 million Ohioans had already voted early in person or returned absentee ballots (Journal-News; Signal Ohio's counts from the Secretary of State's daily absentee file add to 1,289,090). The 2022 midterm saw 1.47 million early votes, then a record.

What's on my ballot in 43015 · Election 2026

Where does the tap water come from?

Where the tap water comes from and what is in it: the lake, river, reservoir or aquifer behind every tap, the plant that treats it, and what the compliance record and the lab results say about it.

Where the water comes from

Inland rivers

Olentangy River, drawn via the city's North and South intakes upstream of town (blended with 5 active deep wells)City of Delaware Water Treatment Plant · Delaware City · +1 more

Source: U.S. EPA SDWIS and Community Water System Service Area Boundaries (v3, 2026), Ohio EPA primacy data, 2020 census blocks: the system serving most residents, traced through purchases to the treating utility; Ohio EPA 2023 Sewer and Water… · EPA SDWIS · EPA service area boundaries · Ohio EPA drinking water · Ohio EPA rate survey

Elevation 760–999 ft, averaging 932 ft · Delaware 822–979 ft, averaging 929 · Delaware County 754–1,239 ft (USGS 3DEP)

Olentangy River (blended with deep wells)
Inland river · via Delaware City
Drawn from: Olentangy River, drawn via the city's North and South intakes upstream of town (blended with 5 active deep wells)
Treated at City of Delaware Water Treatment Plant, 3080 US Highway 23 N, Delaware, OH 43015 (address per City of Delaware)
  • primaryOlentangy North Intake · Olentangy River
    Upstream (northern) river intake on the Olentangy feeding the city plant north of downtown Delaware
  • primaryOlentangy South Intake · Olentangy River
    Second, more southerly Olentangy River intake for the same plant; no published lead/backup ranking
  • secondaryDelaware municipal well field · Groundwater (deep wells, 200+ ft)
    Five active deep city wells whose water is routinely blended with Olentangy River water at the plant
  • secondaryWater Plant Wells · Not named by the city or Ohio EPA; at more than 200 ft the wells are far below Delaware County's thin glacial sand-and-gravel lenses (5-25…
    Wells on the treatment plant grounds, drilled over 200 ft deep; their water is filtered for iron and manganese before blending (>200 ft)
  • secondaryPenry Road Well Field · Not named by the city or Ohio EPA; same more-than-200-ft bedrock setting as the plant wells - below the county's thin glacial sand and…
    A second well field on Penry Road about two miles north of the plant, also drawing water from more than 200 ft down (>200 ft)
Show everything served from this plant

Delaware City is owned by a local government, with 16,216 service connections serving 43,895 people. Office: 740-203-1926 (SDWIS).

Bills, 2023: no water rate reportedthe sewer bill was about $462 a year for sewer (Ohio EPA rate survey, inside-city rates).

Ohio EPA loans since 2016 for projects inside this ZIP: $118.1 million across 4 projects, $4.0 million of it forgiven (drinking water $115.7M, stream and wetland restoration $2.4M); largest: 4th WTP- Site Prep & Electrical Substation CIP 690600-100002 (Columbus, 2025, $109.1M); Treatment of Emerging Contaminants at the Olentangy WTP (Del-Co Water Company, Inc., 2026, $6.4M); Olentangy Scenic River Riparian Protection (Preservation Parks of Delaware County, 2023, $2.4M).

Wells: EPA lists 5 active wells. ODNR well logs locate 8 public-supply wells inside Delaware City's wellhead protection zone, 82 to 250 ft deep, in limestone and dolomite. Zoom in to see them as dots.
Well 2Delaware, City Well Tw4Delaware, City Well Tw5Delaware, City Well Tw6AWell 7
Aquifer
local deep wells (>200 ft) blended with river water
Water bodies
Olentangy River
Raw intakes
Olentangy
Active wells
5
Serves
43,895 people · Delaware County
EPA ID
OH2100311

About this area's water

Delaware Dam and Reservoir on the Olentangy River, upstream of Delaware, Ohio
Delaware Dam and Reservoir on the Olentangy River, upstream of Delaware, OhioPhoto: Sixflashphoto, CC BY-SA 4.0 · Wikimedia Commons
Did you know
  • Delaware pushes its river water through two membrane stages, ultrafiltration then nanofiltration, a far more aggressive filtration train than most Ohio river systems run.
  • Well water is treated on a completely separate line - iron and manganese pressure filters, then its own nanofiltration - before the two finished streams meet in one clearwell.
  • Backup wells sit both under the plant and in a wellfield on Penry Road two miles north, so a bad day on the Olentangy need not be a bad day at the tap.
  • Del-Co Water Company, the big regional nonprofit serving the countryside around Delaware, is a separate utility on entirely different sources - easy to confuse with the city plant.
History4
  • 1808Town of Delaware platted; the modern water system comes well over a century later.
  • 2024City completes its federally required lead service line inventory in November and begins notifying affected customers.
  • 2025Ohio EPA records a Tier 3 monitoring-and-reporting violation for the January 2025 lead service line notification period.
  • 2026That violation is resolved in January; the city states it was a notification requirement, not a drinking water quality problem.
Treatment & pressure

How it is treated

River water gets aluminum chlorohydrate coagulation, settling, then ultra- and nanofiltration membranes; well water gets iron/manganese pressure filters plus its own NF membranes. The two streams merge, then chlorine, fluoride and a corrosion inhibitor.

Water pressure

Not published; no psi figure or pressure-zone map found. The city cites 190 miles of water line and 2,000 fire hydrants in its distribution system.

What it costs

No per-1,000-gallon schedule is published online. Bills combine water, wastewater, stormwater and curbside refuse; delinquent bills draw a 5% penalty.

Water quality & impurities8
ContaminantLevelLimitYear
TTHM (total trihalomethanes)
Range 7-30.4 ppb; comfortably under the limit for a surface-water source.
19.4 ppb802025
HAA5 (haloacetic acids)
Range ND-12.1 ppb.
9.33 ppb602025
Lead (90th percentile)
Range ND-3.1 ppb; 0 of 32 sites above the action level.
ND ppb15 (action…2024
Copper (90th percentile)
Range 0.011-0.110 ppm; 0 of 32 sites above the action level.
0.099 ppm1.3 (action…2024
Nitrate
Range ND-1.26 ppm; low for a farmed watershed.
0.41 ppm102025
Atrazine
Herbicide runoff from row crops; range ND-0.7 ppb, detected every year.
0.2 ppb32025
Fluoride
Range 0.84-1.23 ppm; added to prevent tooth decay.
0.98 ppm2.0 (secondary…2025
Hardness (as CaCO3)
Range 77-162 ppm - hard water, as the limestone bedrock would suggest.
118 ppmno standard2024

EPA compliance record

Lead at the tap: 90th-percentile result 0 ppb in 2024 (action level 15 ppb).

EPA record: no health-based violations since 2015.

1 violation of any kind logged since 2020: 1 for a report, record or notice that was missing, late or incomplete (the yearly water quality report, a public notice, lead line records).

Projects & plans1

Recent and current work

  • Lead service line inventory and customer notification · 2024-2026 · completed
    Nov 2024 inventory and required notices; a Tier 3 monitoring/reporting violation for Jan 2025 was resolved in Jan 2026.
Supply stress

The Olentangy is a developed farm-and-suburb watershed and Ohio EPA rates the city's supply as highly susceptible to contamination; atrazine turns up every year. Deep wells under the plant and a Penry Road wellfield give a groundwater fallback most river-fed Ohio systems lack.

Sewers

Sanitary

The city's own sewer division collects and treats wastewater and returns it to the Olentangy River, over 175 miles of sewer line, 3,250 manholes and 12 pump stations.

Storm

Separate storm sewers, billed as a stormwater charge on the utility bill. The city maintains a stormwater management plan and an illicit discharge detection and elimination plan under federal MS4 rules.

Sourcesverified

Compiled from the utility's own reports and public records, then independently re-checked against primary sources.

Water systems in this ZIP

8% of residents live outside every mapped system, most likely on private wells.

Source: U.S. EPA SDWIS and Community Water System Service Area Boundaries (v3, 2026), Ohio EPA primacy data, 2020 census blocks: the system serving most residents, traced through purchases to the treating utility; Ohio EPA 2023 Sewer and Water Rate Survey (Ohio State, May 2025) for household bills; Ohio EPA DEFA loan awards since 2016 for the loans paragraph · EPA SDWIS · EPA service area boundaries · Ohio EPA drinking water · Ohio EPA rate survey

Violationsnone since 2015, lead 0 ppbRadon6.5 pCi/L avg, 52% above 4Stream health82% of land drains to streams failing aquatic lifeNearest sewage plantAlum Creek Water Reclamation Facility, 0.4 mi, 6/12 quarters in violationGroundwaterDRASTIC 122, 1,843 well logsElectricAEP OhioGas pipelinenearest transmission line 12.2 miNearest power plantAEUG Union Solar, LLC 24.1 mi, 325 MW solarGasColumbia Gas of Ohio, 72% on gasSchool districtDelaware CitySocial vulnerability35th percentile in OhioUpward mobilityrank 41.8 for low-income childrenPeople48.8% with a degree, 5.4% born abroadJobs22K jobs hereSchool tax41.3 mills, ~$2,890 on a $200K homePhoneFrontier NorthFlood1.0% in floodplainInternet99% served, fiber 34%Hazard risk45, above 45% of US tractsOil and gas wells125 in the ZIP, 1 producingSoilsBlount, septic somewhat limitedAbandoned minesunder 0.1% of the area underminedSpills54 reported since 2021, mostly diesel and fuel oilDisasters3 tornado tracks within 5 mi, 18 FEMA declarationsDams10 high-hazard within 10 mi, nearest 2.2 miTraffic45K a day on county road 5Bridges3 of 67 rated poorRail crossings35 public crossings, up to 28 trains a dayTransit0% within half a mile of a stopWalkability7.4 of 20, below averageAirportCMH 22 mi, Amtrak 82.1 miClimate24" snow, 52°F averageAlgal toxinsraw water up to 0.56 µg/LPFASnone detectedLeadnone at the 90th-percentile tap, 212 lead or galvanized lines, 12,049 unknownByproductsTTHM 15 µg/L (2019)Fluoridefluoridated, 10 treatment stepsWatershedUpper Scioto, Deep Run-Olentangy RiverLocal governmentDelaware (city)Cell signal5G on 100% of landU.S. HouseOH-4 Jim Jordan (R)Life expectancy78.0 yearsHealth14% fair or poor health, obesity 34%Nearest hospitalGrady Memorial Hospital, 1.8 mi, 4★Toxic sitesSuperfund 22.2 mi away, 23 TRIToxic releases58,592 lb on site, 9 facilitiesAirPM2.5 9 µg/m³, monitor 11.9 miFire/EMSDelaware City Fire Department, 0.9 miLibraryDelaware County District Library, 1.2 miGroceries6% in low-income, low-access tractsEV chargersfast charger 0.5 mi, 7 stations hereHistorysettled 1801Historic places28 listed, incl. Austin HallWetlands1.4% of land, 1,108 acresLand cover20% developed, 16% tree canopyParks14% public land, Alum Creek State Park 4.7 miNursing homeCOUNTRY CLUB CENTER V, INC, 0.2 mi, 5★PoliceDelaware Police Department, 1.3 miCrime1.5 violent per 1,000, Delaware PoliceAquifer30% sensitive setting, karst-prone rockCollegeOhio Wesleyan University, 0.9 miSchool ratings4.5 stars, Delaware CityHome prices$413K typical, +105% in ten yearsBuilding permits5,085 units 2016 to 2025 in Delaware; 3,813 permits on housesHomes and income$343K home, $105K incomeHouses20,276 homes (parcel list)

Infrastructure in this ZIP

67.6 mi of highway (US 42, US 23, US 36) · 45.6 mi of railroad (CSX, Norfolk Southern) · 9.99 mi of oil, fuel or NGL pipeline (Marathon Pipe Line) · 103 mi of electric transmission line (City of Westerville, AEP, AES Ohio (DP&L)) · 124 mi of large water mains mapped (City of Delaware, Del-Co Water Company) · 28.8 mi of interceptor sewer mapped (City of Delaware, Delaware County Regional Sewer District) · 3 airfields or heliports (Delaware Municipal/Jim Moore Field, Obi One, Grady Memorial Hospital) · 2 sewage plants (Alum Creek Water Reclamation Facility, Upper Olentangy Water Reclamation Center) · 9 dams (Havens Lake Dam, Homestead Neighbors Lake Dam, Libertyvale Lake Dam) · 9 substations · 1 major bridge (Home Road over Oshaughnessy Reservoir) · 50 grade crossings (CSX, Norfolk Southern, Kanawha River Railroad) · 12 registered towers · 10 public EV charger listings · 8 landfills or waste sites, open and closed (Delaware County Transfer Facility, Cherry Street Landfill, Delaware City Curve Road Landfill) · 1 pipeline incident since 2010 · 1 hospital (Grady Memorial Hospital) · 7 fire or EMS stations · 3 police stations · 1 post office · 1 USGS stream gauge (Olentangy River near Delaware OH) · 6 water towers or tanks in OpenStreetMap · 4 water works or pumping stations in OpenStreetMap · 21 mapped lift stations, CSO structures or basins · 1 data center · 9.73 mi of trail and bike route · 66 bridges and culverts in the inventory · 28 sites with underground fuel tanks in use · 9 open leaking-tank releases · 24 other permitted dischargers (Berachah Church Wwtp, Buckeye Valley Middle & High Schls, Camp Lazarus Boy Scout Camp) · 1 quarry or pit (Delaware Plant) · 12 boat ramps or water access sites · 2 hazardous waste handlers · 2 prisons or jails (Delaware County Jail, Scioto Juvenile Correctional Facility) · 1 weather station (Delaware) · 14 source water protection zones (Del-Co Water Company, Inc., Delaware City PWS, River Community Church PWS) · 7 stormwater (MS4) permit areas (City of Delaware, Delaware Township, Berlin Township) · 47 biosolids application fields (sludge from Upper Olentangy Water Reclamation Center, Olentangy Environmental Control Center, Emerald BioEnergy (Ringler)) · 16 brownfield or cleanup sites · 4 broadcast transmitters (WOCB-CD, WQCD, WINF-LP) · 1 911 call center (Delaware County 9-1-1 Center) · 1 groundwater monitoring well · 1 tire or battery drop-off site · 2 mining permit areas (Delaware, Radnor Plant) · 2 ODOT facilities (Delaware Full Service Facility, District 6 Headquarters) · 13 traffic signals.

Draw them46 layers on the map

Intakes and plants

Inland rivers

Olentangy River, drawn via the city's North and South intakes upstream of town (blended with 5 active deep wells)City of Delaware Water Treatment Plant · Delaware City · +1 more

Source: U.S. EPA SDWIS and Community Water System Service Area Boundaries (v3, 2026), Ohio EPA primacy data, 2020 census blocks: the system serving most residents, traced through purchases to the treating utility; Ohio EPA 2023 Sewer and Water… · EPA SDWIS · Ohio EPA source water protection

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Violations

No health-based violations since 2015

No health-based violations since 2015Delaware City · lead 0 ppb (2024) · 1 of any kind since 2020

Source: EPA SDWIS (Envirofacts, pulled September 2026): health-based violations since 2015, all violations since 2020, lead and copper 90th-percentile results, for the system serving most of the ZIP · EPA SDWIS (Envirofacts) · EPA ECHO

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Disinfection byproducts

Under 20 µg/L TTHM

TTHM 15 µg/L (2019)Delaware City · HAA5 5 · worst year 80

Source: EPA Six-Year Review 4 compliance monitoring data, 2012 to 2019: total trihalomethanes and haloacetic acids (HAA5) sampled in the distribution system, nitrate, arsenic, combined radium, gross alpha and uranium at entry points; yearly means…

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PFAS

No PFAS detected

No PFAS detectedDelaware City · UCMR 5, 4 samples · Ohio EPA 2020

Source: EPA UCMR 5 occurrence data (final release, August 2026: 29 PFAS and lithium at 347 Ohio systems) and Ohio EPA statewide PFAS sampling 2019 to 2021 (1,479 systems), for the system serving most of each ZIP; Ohio EPA water treatment plant… · Ohio EPA PFAS

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Lead

No lead detected

No lead at the 90th-percentile tapDelaware City · period ending 2024-12 · 212 of 15,297 service lines lead or galvanized, 12,049 unknown

Source: SDWIS lead and copper 90th-percentile tap results (Envirofacts) and EPA's service line inventory dashboard (2026 Q2 submissions), for the system serving most of each ZIP; Ohio Department of Health high-risk ZIP code list for childhood… · ODH childhood lead testing · ODH high-risk ZIP list (CCBH PDF) · Ohio EPA lead and copper · H2Ohio

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Fluoride and treatment

Fluoridated

FluoridatedDelaware City · aeration, corrosion control, cartridge filtration, coagulation and settling

Source: CDC My Water's Fluoride (fluoridation status of each system as reported by the Ohio Department of Health, fetched 2026-09-10); SDWIS treatment table (Envirofacts): each system's registered treatment steps, inherited from the supplier for… · EPA SDWIS search

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Algal toxins

Under 5 µg/L in raw water

Raw water up to 0.56 µg/L microcystinDelaware City · 2018-01

Source: Ohio EPA public water system harmful algal bloom monitoring (geo.epa.ohio.gov DrinkingWater/HAB): microcystin results in raw and treated water since 2016 for surface-water systems, for the system serving most of each ZIP · Ohio EPA HAB information for public water systems

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Groundwater

120 to 140

DRASTIC 122 · Limestone1,843 well logs · median 72 ft deep · 348 karst and spring points

Source: ODNR Division of Geological Survey: DRASTIC groundwater vulnerability polygon at each ZIP's population center, mapped karst features, and the state water well log inventory (about 655,000 logs) counted inside each ZIP; ODNR glacial… · ODNR Geological Survey · Ohio EPA GIS services · USGS water data

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Aquifer

30 to 60%

30% sensitive geologic settingkarst-prone bedrock at the center · 263 verified sinkholes · 6% wellhead protection

Source: Ohio EPA Sensitive Geologic Settings (geology/Geology layer 0) intersected with ZCTA polygons; ODNR karst geology at the ZIP center (layer 7, point query) and karst and spring points (layer 5); Ohio EPA source water protection areas… · Ohio EPA geology layers · Ohio EPA source water protection (SWAP) · ODNR Geological Survey

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Sewage plants

4 to 7 quarters

Alum Creek Water Reclamation Facility · 0.4 mi6 of 12 quarters in violation · 10 MGD

Source: EPA ECHO Clean Water Act facilities, Ohio NPDES permits with a publicly owned treatment works component, plants of 0.1 MGD or more or designated major: nearest plant, design flow, significant-noncompliance status, quarters in… · EPA ECHO · EPA CSO inventory · Ohio EPA GIS services · EPA Facility Finder

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Stream health

Three quarters or more

82% of the land drains to streams failing aquatic lifeDelaware Run-Olentangy River · nutrients, bacteria (pathogens)

Source: EPA ATTAINS, Ohio 2024 Integrated Report assessment units (1,545 watershed polygons) overlaid on ZCTAs in Albers equal-area with the Lake Erie units clipped out: share of land in units not supporting aquatic life, recreation, fish… · EPA ATTAINS · Ohio integrated report · Ohio sport fish advisory · Ohio EPA advisory map

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Watershed

Drains to the Ohio River

Upper Scioto subbasinDeep Run-Olentangy River · drains to the Ohio River

Source: USGS Watershed Boundary Dataset: HUC-8 subbasins by resident share (2020 census blocks) and the HUC-12 subwatershed at each ZIP's population-weighted center with its downstream chain; USGS county water use 2015 (Dieter and others 2018) for… · USGS watershed boundaries · EPA EnviroAtlas · Ohio EPA 401 map · ODNR Water Withdrawal Atlas (archived copy) · USGS county water use 2015 · ODNR H2Ohio projects · ODNR Lake Erie Coastal Management Area · Ohio EPA source water protection (SWAP) · Ohio EPA nine-element plans · Ohio EPA 319, GLRI and SWIF project lists · Ohio EPA chloride reduction grants · NOAA Lake Erie water levels

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Home

The houses themselves and what they cost: who lives in them, what a typical one looks like down to the parcel record, how much new housing has gone up, and what a household pays in property tax.

Homes and income

$250,000 to $350,000

Median home $342,700household income $105,322 · rent $1,298 · 72% own

Source: Census ACS 2020-2024 5-year by ZCTA: median home value, median gross rent, median household income, owner share, median year built; Eviction Lab tract estimates 2016 to 2018 (Gromis and others 2022), population-weighted to ZIPs; HUD fiscal… · Census ACS · Eviction Lab · HUD data · IRS ZIP statistics · Mapping Inequality · HUD eGIS open data · FDIC BankFind · NCUA call report data

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House by house

No data

Parcel list only20,276 homes; the county's appraisal records are not in the atlas yet

Source: Residential parcels (Ohio land-use classes 500 to 599, apartments 401 to 403, farmhouses) placed in ZIPs by scripts/join_parcels.py on 2026-09-15, the houses loading on demand; county auditors' appraisal records, house by house (year… · OGRIP Ohio Statewide Parcels · Union County Auditor

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Building permits

60 or more

5,085 housing units permitted 2016 to 2025Delaware · 119.3 per 1,000 residents · 438 in 2025

Source: Census Bureau Building Permits Survey, annual place files 2016 to 2025: new privately owned housing units, buildings and construction value authorized by each Ohio permit office, given to each ZIP through the jurisdiction where most of its… · Census building permits

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Home prices

100 to 150%

+105% in ten years+56% in five · +6% in 2025

Source: FHFA House Price Index, annual five-digit ZIP all-transactions series (repeat sales and refinance appraisals of conforming-mortgage homes, developmental, not seasonally adjusted): ten-, five- and one-year changes and the level against… · FHFA house price index · Zillow research data · Realtor.com data

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School tax

40 mills or more

41.3 effective school millsDelaware City · about $2,890 a year on a $200,000 home

Source: Ohio Department of Taxation, Aggregate Property Tax Rates by School District, tax year 2025 (DTE 515), joined by IRN and weighted by each ZIP's residents in every district; school levies only; Ohio Department of Taxation The Finder rate… · Ohio tax data series · The Finder

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Utilities and getting around

The companies and networks that keep a house running and a resident moving: electric, gas, phone and internet service, and the roads, transit, rail and airports around it.

Electric

AEP Ohio

AEP OhioInvestor-owned utility

Source: PUCO certified electric territories via ODOT plus HIFLD municipal systems (EIA-861) with ODOT corporate limits; EIA-861 reliability (outages), sales to ultimate customers (residential prices and bills), net metering and advanced meters by… · PUCO electricity · ODOT territories service · EIA-861 · DOE LEAD Tool · HIFLD retail service territories

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Gas

Columbia Gas of Ohio

Columbia Gas of OhioPUCO-regulated utility · 72% of homes heat with utility gas

Source: PUCO 2026 county map of gas distribution companies, HIFLD/EIA-176 territory polygons, ACS 2020-2024 heating fuel · PUCO natural gas · HIFLD

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Power plants

20 to 35 miles

AEUG Union Solar, LLC · 24.1 misolar, 325 MW · 1 plant within 10 miles

Power plants within 10 miles

  1. O'Shaughnessy HydroHydroelectric · 5 MW · 9.4 mi
    Capacity
    5 MW
    Main source
    Hydroelectric
    Technology
    Conventional Hydroelectric
    Operator
    City of Columbus - (OH)
    Sector
    Electric Utility
    Where
    Dublin, Delaware County

Source: EIA-860 power plant inventory via HIFLD (February 2025), with plant codes, units and years from EIA-860 2025. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Source: EIA-860 power plant inventory via HIFLD (202 Ohio plants, February 2025): nearest plant, nearest plant of 100 MW or more, plants and capacity by fuel within 10 miles; USGS U.S. Wind Turbine Database (June 2026) and U.S. Large-Scale Solar… · EIA-860 · HIFLD · USGS wind turbines · USGS solar · NRC emergency planning zones

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Pipelines

10 miles or more

Nearest transmission line 12.2 miColumbia Gas Trans Co (interstate)

Source: EIA natural gas interstate and intrastate transmission pipelines via Esri's Federal User Community copy on ArcGIS Online (data last updated July 2025; 1,239 segments in and around Ohio): miles inside each ZIP by operator, distance from the… · EIA U.S. Energy Atlas · ArcGIS Online item

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Phone

Frontier

Frontier NorthIncumbent telephone company

Source: PUCO Telecom map service, layer 7 ILEC Company Service Area (incumbent local exchange carriers, fetched 2026-09-08) by resident share of 2020 census blocks · PUCO telephone

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Internet

Under 2% lack 100/20 service

99% can get 100/20 Mbpsfiber 34% · cable 94% · 20,649 locations · 1% unserved

Source: FCC Broadband Data Collection, June 2024, fixed availability by H3 hexagon (Esri Living Atlas, Ohio subset); Census ACS 2020-2024 table B28002 internet subscriptions; Ookla Open Data fixed speed tests 2025 Q2 by tile, averaged inside the… · FCC broadband map · Ookla open data · Census ACS

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Cell signal

5G nearly everywhere

5G on 100% of the land4G or better 100% · AT&T 100% · T-Mobile 99% · Verizon 100%

Source: FCC Mobile Broadband Data Collection, carrier-reported 4G LTE and 5G coverage by H3 hexagon (Esri Living Atlas layer last updated 24 November 2025, most likely the June 30, 2025 filing round), fetched 2026-09-08; FCC Antenna Structure… · FCC broadband map · FCC antenna registration · Ookla open data

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EV chargers

DC fast charger under 2 miles

Fast charger 0.5 mi: Byers Ford - DCFC7 public stations in the ZIP (20 Level 2, 10 DC fast ports) · 7 within 5 miles of its center

Public EV charging inside ZIP 43015

  1. Byers Ford - Series DC fast6 DC fast · 6 Level 2 · Delaware · 0.5 mi
    Address
    1101 Columbus Pike, Delaware, OH 43015
    Ports
    6 DC fast · 6 Level 2
    Plugs
    CCS, J1772
    Network
    Blink Network
    Hours
    24 hours daily
    Phone
    888-998-2546
  2. DEL-E WILLIAM STATION 012 Level 2 · Delaware · 1.1 mi
    Address
    39 E William St, Delaware, OH 43015
    Ports
    2 Level 2
    Plugs
    J1772
    Network
    ChargePoint Network
    Hours
    24 hours daily
    Phone
    888-758-4389
  3. ED-LOT GRADYHOSPITAL24 Level 2 · Delaware · 1.9 mi
    Address
    641 W Central Ave, Delaware, OH 43015
    Ports
    4 Level 2
    Plugs
    J1772
    Network
    ChargePoint Network
    Hours
    24 hours daily
    Phone
    888-758-4389
  4. Meijer Delaware, OH #249 DC fast4 DC fast · Delaware · 2.3 mi
    Address
    1380 Sunbury Rd, Delaware, OH 43015
    Ports
    4 DC fast
    Plugs
    CCS, CHAdeMO
    Network
    eVgo Network
    Hours
    24 hours daily
    Phone
    877-455-3833
  5. The Residences at Lucy Ridge2 Level 2 · Delaware · 3.0 mi
    Address
    35 Lucy Ridge Road, Delaware, OH 43015
    Ports
    2 Level 2
    Plugs
    J1772
    Network
    Blink Network
    Hours
    24 hours daily
    Phone
    888-998-2546
  6. DACC EV CHARGER DACC-STATION 14 Level 2 · Delaware · 4.0 mi
    Address
    4565 Columbus Pike, Delaware, OH 43015
    Ports
    4 Level 2
    Plugs
    J1772, Tesla (NACS)
    Network
    ChargePoint Network
    Hours
    24 hours daily
    Phone
    888-758-4389
  7. CONSOLIDATED CONSOLIDATEDDEL2 Level 2 · Delaware · 6.1 mi
    Address
    4993 State Rte 521, Delaware, OH 43015
    Ports
    2 Level 2
    Plugs
    J1772
    Network
    ChargePoint Network
    Hours
    24 hours daily
    Phone
    888-758-4389

Source: NREL Alternative Fuels Data Center station list (May 2026), public and open stations, the posts at one address counted as one site. Miles are straight-line from the ZIP's population-weighted center.

Source: NREL Alternative Fuels Data Center station list as of May 29, 2026 (USDOT BTS copy: 2,136 Ohio electric stations, of which the 1,850 public and open are used, NREL restricted-access records such as dealer-service and hotel-guest chargers… · Alternative Fuels Data Center · BTS Alternative Fueling Stations (NTAD)

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Transit

No transit stop within half a mile of anyone

0% within half a mile of a stop0 stops in the ZIP

None inside the ZIP; the nearest station or terminal

  1. Village PantryIntercity bus stop · Greyhound Lines · 14.5 mi
    What it is
    Intercity bus stop
    Operator
    Greyhound Lines
    City
    Marysville
    Coordinates
    40.24045, -83.34204

Source: BTS Intermodal Passenger Connectivity Database and National Transit Map (2025). Bus stops are counted on the card and drawn on the full map. Miles are straight-line from the ZIP's population-weighted center.

Source: USDOT BTS National Transit Map stops (National Transportation Atlas Database, 2025 vintage, fetched September 2026), plus the Springfield, Lancaster-Fairfield, Knox County Transit, WayGo and BGSU Shuttle GTFS feeds: share of residents… · BTS National Transit Map · BTS transportation atlas · Springfield City Area Transit GTFS feed · Lancaster-Fairfield Public Transit GTFS feed · Knox County Transit GTFS feed · WayGo GTFS feed · BGSU Shuttle GTFS feed

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Walkability

Below average (5.76 to 10.5)

Walkability 7.4 of 2048 intersections per square mile · 0% near transit

Source: EPA National Walkability Index (Smart Location Database 3.0, 2021) by block group, population-weighted to ZIPs through 2020 census block points; car-free household share from Census ACS 2020 to 2024 table B25044, or where missing the Smart… · EPA walkability index · Smart Location Database · Census ACS

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Rail crossings

26 or more

35 public crossings25 gated · up to 28 trains a day · CSX

Source: FRA Grade Crossing Inventory (current records, Ohio): open at-grade crossings inside each ZIP, gates, trains a day at the busiest, timetable speed, railroads; nearest crossing to the population-weighted center; FRA highway-rail grade… · FRA crossing inventory (Form 71, current) · FRA crossing incidents (Form 57) · FRA rail equipment accidents (Form 54) · FRA safety data · DOT open data

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Bridges

5 to 10%

67 bridges, 3 rated poortypical build year 1991 · busiest US 23, 28,849 vehicles a day

Bridges rated poor inside ZIP 43015

  1. S. Washington St. over Delaware RunPoor · built 1992 · 1.0 mi
    Condition
    Poor: a deck, superstructure, substructure or culvert rated 4 or below on the 0 to 9 scale
    What it is
    Bridge
    Built
    1992
    Length
    7 ft
    Owner
    City
    Vehicles a day
    499
    Coordinates
    40.29814, -83.07138
  2. SR 37 over Harsh DitchPoor · built 1960 · 5.6 mi
    Condition
    Poor: a deck, superstructure, substructure or culvert rated 4 or below on the 0 to 9 scale
    What it is
    Bridge
    Built
    1960
    Length
    8 ft
    Owner
    State
    Vehicles a day
    2,583
    Coordinates
    40.32210, -83.16624
  3. SR 37 over Prairie RunPoor · built 1960 · 5.7 mi
    Condition
    Poor: a deck, superstructure, substructure or culvert rated 4 or below on the 0 to 9 scale
    What it is
    Bridge
    Built
    1960
    Length
    26 ft
    Owner
    State
    Vehicles a day
    2,583
    Coordinates
    40.32203, -83.16804

Source: FHWA National Bridge Inventory 2025. "Poor" means one major part rated 4 or below on the 0 to 9 scale; it calls for repair, not closing, unless the state posts or closes the bridge. Miles are straight-line from the ZIP's population-weighted center.

Source: FHWA National Bridge Inventory 2025 (26,713 Ohio structures; 26,616 fall inside a ZIP area and are counted, the other 97 land outside every ZIP polygon): bridges inside each ZIP, poor-condition ratings, ages, traffic · FHWA bridge inventory · ODOT TIMS bridge inventory (live)

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Traffic

20,000 to 50,000

44,961 vehicles a day on county road 53,823 trucks · 1.3M vehicle-miles a day inside the ZIP

Source: ODOT traffic count segments (2025 annual average daily traffic by road segment, ODOT Transportation Information Mapping System): segments assigned to the ZIP holding their midpoint; NHTSA Fatality Analysis Reporting System 2020 to 2024… · ODOT TIMS traffic count segments · NHTSA FARS

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Airports and Amtrak

15 to 30 miles

CMH · 22 miJohn Glenn Columbus International · Amtrak at Sandusky 82.1 mi

Source: FAA airport facilities (NASR landing-facility record) and Amtrak stations via USDOT BTS National Transportation Atlas Database, fetched September 2026: nearest airport with scheduled airline service (Part 139 class I), nearest public-use… · BTS transportation atlas

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Land, air and risk

The ground itself and what can go wrong on it: radon, flood risk, air quality, old mines and wells, and the parks, wetlands and open land still left.

Radon

4 to 8 pCi/L

6.5 pCi/L average radon5,402 tests · 52% above 4 pCi/L · median 4.2

Source: Ohio Department of Health radon test results by ZIP code since 2010 (pre-mitigation), ZIPs with five or more tests · ODH radon program

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Flood

Under 2% of residents

1.0% of residents in the 1% floodplain6% of the land is floodplain, 0% more in the 0.2% zone · zone X (0.2%)

Source: FEMA National Flood Hazard Layer, flood hazard zones, fetched 2026-09-08; OpenFEMA NFIP redacted claims for Ohio (frozen June 2026), by reported ZIP; USGS NWIS annual peak flows for the nearest active stream gauge; NOAA Atlas 14… · FEMA flood hazard layer · FEMA Map Service Center · OpenFEMA · NOAA Atlas 14 · USGS stream gauges

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Hazard risk

40 to 60

Risk score 45 · higher than about 45% of US tractsIce storm 84 · Winter weather 83

Source: FEMA National Risk Index, census tracts, December 2025 release, population-weighted to ZIPs · FEMA National Risk Index · NRI census tract layer (ArcGIS)

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Climate

20 to 30 inches

24" of snow a year · 52.3°F averageJanuary low 21° · July high 85° · 40" of precipitation

Source: NOAA NCEI 1991-2020 U.S. Climate Normals, annual and monthly, 261 Ohio stations; each ZIP takes the nearest station reporting each element from its population-weighted center; U.S. Drought Monitor weekly county statistics 2000 to 2026… · NOAA climate normals · NOAA climate at a glance · U.S. Drought Monitor

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Air

8.5 to 9

PM2.5 9 µg/m³ at Smoky Row Near Road, 11.9 miozone 70 ppb at Delaware · Delaware County median AQI 40

Source: EPA Air Quality System 2025 annual summaries: nearest PM2.5 and ozone monitors from each ZIP's population-weighted center, county AQI day counts; EPA ECHO Clean Air Act permitted sources in Ohio (air_rest_services, September 2026); EPA… · EPA air data files · EPA AirToxScreen · EPA Green Book · EPA ECHO

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Toxic sites

15 miles or more

Nearest NPL site 22.2 mi: Little Scioto River23 toxic-release reporters · 2 Superfund program sites in the ZIP

Superfund sites inside ZIP 43015

  1. Old Delaware City LandfillSuperfund program · Delaware · 0.4 mi
    Address
    Cherry Street, Delaware, OH 43015
    County
    Delaware County
    Status
    Superfund program site, not on the National Priorities List
    EPA program ID
    OHD980510366
    EPA registry ID
    110009304396
  2. Usda Usfs R09 Deleware MiSuperfund program · Delaware · 4.9 mi
    Address
    359 Main Rd, Delaware, OH 43015
    County
    Delaware County
    Status
    Superfund program site, not on the National Priorities List
    Federal facility
    Yes
    EPA program ID
    OH8122314802
    EPA registry ID
    110004579661

Source: EPA Facility Registry Service, Superfund (SEMS) and National Priorities List sites. Many program sites were assessed and needed no cleanup. Miles are straight-line from the ZIP's population-weighted center.

Source: EPA Facility Registry Service: Superfund NPL and SEMS sites, Toxics Release Inventory reporters (EPA geoplatform), fetched 2026-09-08; the nearest NPL site also considers sites in PA, WV, KY, IN and MI within about 20 miles of the border… · EPA Facility Registry · EPA Superfund sites · Ohio EPA cleanup sites · EPA UST Finder · EPA ECHO

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Toxic releases

10,000 to 100,000 lb

58,592 lb released on site in 20249 facilities · Charter Next Generation - Delaware · 56 lb to water

Facilities reporting toxic releases inside ZIP 43015

  1. Denison Hydraulics IncToxics Release Inventory · Delaware · 0.3 mi
    Address
    425 S Sandusky St, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015HGGLN425SO
    EPA registry ID
    110009490103
  2. Liberty Casting Co (0121010003)Toxics Release Inventory · Delaware · 0.5 mi
    Address
    550 Liberty Rd, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015GNRLC550LI
    EPA registry ID
    110041419961
  3. Friction MetalsToxics Release Inventory · Delaware · 0.6 mi
    Address
    320 London Rd, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory
    EPA program ID
    TRI_OFFSITE_816
    EPA registry ID
    110070691661
  4. Henkel CorporationToxics Release Inventory · Delaware · 0.6 mi
    Address
    421 London Rd, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015PNNWL421LO
    EPA registry ID
    110000381373
  5. Oberfields - Delaware, Oh Masonry PlantToxics Release Inventory · Delaware · 0.7 mi
    Address
    528 London Rd, Delaware, OH 43015
    County
    Delaware County County
    Status
    Reports to the Toxics Release Inventory (***unchanged***)
    EPA program ID
    4301WBRFLD528LN
    EPA registry ID
    110071433968
  6. Ranco IncToxics Release Inventory · Delaware · 0.7 mi
    Address
    555 London Rd, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015RNCNC555LO
    EPA registry ID
    110000617020
  7. General Casting Co Curtis St DivToxics Release Inventory · Delaware · 0.8 mi
    Address
    407 Curtis St, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015THGNR407CU
    EPA registry ID
    110000815752
  8. Delo Screw ProductsToxics Release Inventory · Delaware · 0.9 mi
    Address
    700 London Rd., Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015DLSCR700LO
    EPA registry ID
    110000381346
  9. The General Casting Company - Toledo StreetToxics Release Inventory · Delaware · 1.0 mi
    Address
    148 Toledo St., Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015GNRLC148TO
    EPA registry ID
    110000381355
  10. National Starch & Chemical CoToxics Release Inventory · Delaware · 1.1 mi
    Address
    400 Park Ave., Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015NTNLS400PA
    EPA registry ID
    110002109003
  11. Mansfield Warehousing & Distribution IncToxics Release Inventory · Delaware · 1.1 mi
    Address
    435 Park Ave, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015CLRCC435PA
    EPA registry ID
    110001138750
  12. American Howa of OhioToxics Release Inventory · Delaware · 1.1 mi
    Address
    222 Stover Dr, Delaware, OH 43015
    County
    Delaware County County
    Status
    Reports to the Toxics Release Inventory
    EPA program ID
    4301WMRCNH222ST
    EPA registry ID
    110070244600
  13. Midwest Acoust-A-Fiber IncToxics Release Inventory · Delaware · 1.2 mi
    Address
    759 Pittsburgh Dr, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (***unchanged***)
    EPA program ID
    4301WMDWST759PI
    EPA registry ID
    110006328688
  14. Nagase Chemtex AmericaToxics Release Inventory · Delaware · 1.2 mi
    Address
    100 Innovation Court, Delaware, OH 43015
    County
    Delaware County County
    Status
    Reports to the Toxics Release Inventory (***unchanged***)
    EPA program ID
    4301WNGSCH1INNV
    EPA registry ID
    110071434460
  15. Ppg Industries - DelawareToxics Release Inventory · Delaware · 1.3 mi
    Address
    760 Pittsburgh Drive, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015PPGND760PI
    EPA registry ID
    110000381382
  16. Sam Dong Ohio IncToxics Release Inventory · Delaware · 1.3 mi
    Address
    801 Pittsburgh Dr, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015THNPP801PI
    EPA registry ID
    110000381391
  17. International Paper Delaware Ink PlantToxics Release Inventory · Delaware · 1.5 mi
    Address
    865 Pittsburgh Drive, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015WLLMT875PI
    EPA registry ID
    110000381408
  18. Carolina Color CorporationToxics Release Inventory · Delaware · 1.6 mi
    Address
    100 Colomet Dr, Delaware, OH 43015
    County
    Delaware County County
    Status
    Reports to the Toxics Release Inventory
    EPA program ID
    4301WCRLNC1CLME
    EPA registry ID
    110070234400
  19. Aci Industries - SignstrutToxics Release Inventory · Delaware · 1.6 mi
    Address
    970 Pittsburgh Dr, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015THFLX970PI
    EPA registry ID
    110022299626
  20. Vertiv CorporationToxics Release Inventory · Delaware · 1.7 mi
    Address
    975 Pittsburgh Dr, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015LBRTC975PI
    EPA registry ID
    110000894337
  21. Charter Next Generation - DelawareToxics Release Inventory · Delaware · 2.2 mi
    Address
    1188 S Houk Rd, Delaware, OH 43015
    County
    Delaware County County
    Status
    Reports to the Toxics Release Inventory (***unchanged***)
    EPA program ID
    4301WCHRTR1188S
    EPA registry ID
    110071956472
  22. Luvata Ohio Inc FpbuToxics Release Inventory · Delaware · 2.2 mi
    Address
    1376 Pittsburgh Dr, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory (active)
    EPA program ID
    43015NPPRT1376P
    EPA registry ID
    110002447362
  23. Price Farms OrganicsToxics Release Inventory · Delaware · 5.3 mi
    Address
    4838 Warrensburg Rd, Delaware, OH 43015
    County
    Delaware County
    Status
    Reports to the Toxics Release Inventory
    EPA program ID
    TRI_OFFSITE_1610
    EPA registry ID
    110070691477

Source: EPA Facility Registry Service, Toxics Release Inventory reporters. Reporting a release is required of large users of listed chemicals; it is not by itself a violation. Miles are straight-line from the ZIP's population-weighted center.

Source: EPA Toxics Release Inventory basic data files, Ohio, reporting years 2020 to 2024 (2024 shown, 2020 for the trend); facilities placed in the ZCTA holding their coordinates; dioxin rows reported in grams left out of pound totals · EPA TRI data files

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Dams

6 to 10

10 high-hazard dams within 10 milesNearest: Lexington Glen Dam, 2.2 mi, condition satisfactory

High-hazard dams within 10 miles

  1. Lexington Glen DamDelaware Run · condition: satisfactory · 2.2 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Satisfactory (assessed 11/19/2020)
    River or stream
    Delaware Run
    Purpose
    Recreation
    Type
    Earth
    Height
    23 ft
    Storage
    76 acre-feet
    Completed
    1990
    Owner type
    Private
    County
    Delaware County
    Nearest town (NID)
    Delaware
    Last inspection
    11/19/2020
    Emergency action plan
    No
    NID ID
    OH02737
  2. Delaware DamOlentangy River · condition: not available · 5.2 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Not Available
    River or stream
    Olentangy River
    Purpose
    Flood Risk Reduction;Other;Fish and Wildlife Pond;Recreation;Water Supply
    Type
    Concrete
    Height
    92 ft
    Storage
    132,000 acre-feet
    Completed
    1951
    Owner type
    Federal
    County
    Delaware County
    Nearest town (NID)
    Delaware
    Last inspection
    03/18/2026
    Emergency action plan
    Yes
    NID ID
    OH00015
  3. Del-Co Upland Storage Reservoir No. 5Olentangy River · condition: fair · 5.4 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Fair (assessed 03/27/2024)
    River or stream
    Olentangy River
    Purpose
    Water Supply
    Type
    Earth
    Height
    45 ft
    Storage
    3,376 acre-feet
    Completed
    2004
    Owner type
    Public Utility
    County
    Delaware County
    Nearest town (NID)
    Mount Air
    Last inspection
    05/31/2023
    Emergency action plan
    Yes
    NID ID
    OH03066
  4. Del-Co Upland Storage Reservoir No. 3Olentangy River - Offstream · condition: fair · 5.5 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Fair (assessed 01/30/2024)
    River or stream
    Olentangy River - Offstream
    Purpose
    Water Supply
    Type
    Earth
    Height
    51 ft
    Storage
    774 acre-feet
    Completed
    1994
    Owner type
    Public Utility
    County
    Delaware County
    Nearest town (NID)
    Mount Air
    Last inspection
    05/31/2023
    Emergency action plan
    Yes
    NID ID
    OH02882
  5. Del-Co Upland Storage Reservoir No. 2Olentangy River - Offstream · condition: satisfactory · 5.5 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Satisfactory (assessed 01/30/2024)
    River or stream
    Olentangy River - Offstream
    Purpose
    Water Supply
    Type
    Earth
    Height
    43 ft
    Storage
    826 acre-feet
    Completed
    1989
    Owner type
    Public Utility
    County
    Delaware County
    Nearest town (NID)
    Mount Air
    Last inspection
    05/31/2023
    Emergency action plan
    Yes
    NID ID
    OH01513
  6. Del-Co Upland Storage Reservoir No. 4Olentangy River - Offstream · condition: fair · 5.6 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Fair (assessed 03/26/2024)
    River or stream
    Olentangy River - Offstream
    Purpose
    Water Supply
    Type
    Earth
    Height
    53 ft
    Storage
    743 acre-feet
    Completed
    1995
    Owner type
    Public Utility
    County
    Delaware County
    Nearest town (NID)
    Mount Air
    Last inspection
    05/31/2023
    Emergency action plan
    Yes
    NID ID
    OH02886
  7. Alum Creek Upground Reservoir No. 2Alum Creek - Off Stream · condition: fair · 7.4 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Fair (assessed 01/21/2021)
    River or stream
    Alum Creek - Off Stream
    Purpose
    Water Supply
    Type
    Earth
    Height
    36 ft
    Storage
    1,912 acre-feet
    Completed
    2004
    Owner type
    Public Utility
    County
    Delaware County
    Nearest town (NID)
    Lewis Center
    Last inspection
    01/21/2021
    Emergency action plan
    Yes
    NID ID
    OH03129
  8. Alum Creek Upground ReservoirAlum Creek - Off Stream · condition: fair · 7.5 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Fair (assessed 01/21/2021)
    River or stream
    Alum Creek - Off Stream
    Purpose
    Water Supply
    Type
    Earth
    Height
    24 ft
    Storage
    1,593 acre-feet
    Completed
    1997
    Owner type
    Public Utility
    County
    Delaware County
    Nearest town (NID)
    Lewis Center
    Last inspection
    01/21/2021
    Emergency action plan
    Yes
    NID ID
    OH02905
  9. Alum Creek DamAlum Creek of Big Walnut Crk. · condition: not available · 8.8 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Not Available
    River or stream
    Alum Creek of Big Walnut Crk.
    Purpose
    Flood Risk Reduction;Fish and Wildlife Pond;Recreation;Water Supply
    Type
    Gravity
    Height
    93 ft
    Storage
    134,800 acre-feet
    Completed
    1974
    Owner type
    Federal
    County
    Delaware County
    Nearest town (NID)
    Westerville
    Last inspection
    05/13/2021
    Emergency action plan
    Yes
    NID ID
    OH00931
  10. O'ShaughnessyScioto River · condition: satisfactory · 9.4 mi
    Hazard class
    High: a failure would probably cost a life
    Condition
    Satisfactory (assessed 08/25/2026)
    River or stream
    Scioto River
    Purpose
    Water Supply;Recreation;Hydroelectric
    Type
    Gravity
    Height
    79 ft
    Storage
    33,000 acre-feet
    Completed
    1924
    Owner type
    Local Government
    County
    Delaware County
    Nearest town (NID)
    Dublin
    Last inspection
    07/06/2026
    Emergency action plan
    Yes
    NID ID
    OH00751

Source: U.S. Army Corps of Engineers National Inventory of Dams, August 2026. "High hazard" rates what a failure would cost downstream, not how likely one is; the condition is the state's assessment. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Source: U.S. Army Corps of Engineers National Inventory of Dams (1,376 Ohio dams, August 2026; 26 Corps levees and dikes counted with their parent dam): high-hazard dams near each ZIP's population-weighted center, with the state's condition… · National Inventory of Dams

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Disasters

3 to 5

3 tornado tracks within 5 miles since 19500 rated F2/EF2+ · 18 federal declarations for Delaware County · 0 quakes M2+ within 25 mi

Source: NOAA Storm Prediction Center tornado database 1950-2025 (tracks within 5 miles of each ZIP's population-weighted center), OpenFEMA disaster declarations by county since 1956, USGS earthquake catalog M2+ since 1970 within 25 miles… · NOAA SPC tornado data · OpenFEMA · USGS earthquakes · NOAA storm events · IEM warning archive

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Spills

40 or more

54 spills reported since 2021mostly diesel and fuel oil · 11 reached water

Spills reported since 2021 inside ZIP 43015: the nearest 40 of 53

  1. Sheen Rainbow / Hydrocarbon Reached water2023-11-09 · Delaware · 0.4 mi
    Reported
    2023-11-09
    What spilled
    Sheen Rainbow / Hydrocarbon; Oil Petroleum Not Otherwise Specified (Nos)
    Largest amount reported
    55 gallons
    Reached a waterway
    21 - Olentangy River
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2311EPA0001908
  2. Chemical(S) Unk2023-07-01 · Delaware · 0.4 mi
    Reported
    2023-07-01
    What spilled
    Chemical(S) Unk
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2307EPA0001083
  3. Sewage Human2022-07-09 · Delaware · 0.5 mi
    Reported
    2022-07-09
    What spilled
    Sewage Human
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2207EPA0001043
  4. Other / All Other / Trade Name / Mixture / Solution Etc Reached water2022-03-23 · Delaware · 0.6 mi
    Reported
    2022-03-23
    What spilled
    Other / All Other / Trade Name / Mixture / Solution Etc
    Largest amount reported
    20 gallons
    Reached a waterway
    99 - Unnamed
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2203EPA0000393
  5. Runoff Nos (Not Specified)2025-12-23 · Delaware · 0.9 mi
    Reported
    2025-12-23
    What spilled
    Runoff Nos (Not Specified)
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2512EPA0002043
  6. Sewage Sludge / Biosolids2024-04-03 · Delaware · 0.9 mi
    Reported
    2024-04-03
    What spilled
    Sewage Sludge / Biosolids
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2404EPA0000522
  7. Oil Transformer Non Pcb2023-03-04 · Delaware Twp · 0.9 mi
    Reported
    2023-03-04
    What spilled
    Oil Transformer Non Pcb
    Where
    Delaware Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2303EPA0000334
  8. Herbicide(S) Nos (Not Specified)2023-07-13 · Delaware · 1.0 mi
    Reported
    2023-07-13
    What spilled
    Herbicide(S) Nos (Not Specified)
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2307EPA0001169
  9. Fat(S) / Oil / Grease / Tallow Food Types (Fog)2022-04-07 · Delaware · 1.1 mi
    Reported
    2022-04-07
    What spilled
    Fat(S) / Oil / Grease / Tallow Food Types (Fog)
    Largest amount reported
    25 gallons
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2204EPA0000481
  10. Oil Petroleum Not Otherwise Specified (Nos) Reached water2023-05-17 · Delaware · 1.2 mi
    Reported
    2023-05-17
    What spilled
    Oil Petroleum Not Otherwise Specified (Nos)
    Reached a waterway
    21 - Olentangy River
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2305EPA0000805
  11. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road) Reached water2021-12-29 · Delaware · 1.3 mi
    Reported
    2021-12-29
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Largest amount reported
    5 gallons
    Reached a waterway
    99 - Unnamed
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2112EPA0001917
  12. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2024-09-07 · Delaware · 1.3 mi
    Reported
    2024-09-07
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Largest amount reported
    10 gallons
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2409EPA0001543
  13. Oil Transformer Non Pcb2026-05-25 · Delaware · 1.4 mi
    Reported
    2026-05-25
    What spilled
    Oil Transformer Non Pcb
    Largest amount reported
    50 gallons
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2605EPA0000899
  14. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2021-06-10 · Delaware Twp · 1.4 mi
    Reported
    2021-06-10
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Largest amount reported
    10 gallons
    Where
    Delaware Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2106EPA0000836
  15. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2025-02-26 · Delaware Twp · 1.6 mi
    Reported
    2025-02-26
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Largest amount reported
    50 gallons
    Where
    Delaware Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2502EPA0000256
  16. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2021-11-11 · Delaware Twp · 1.6 mi
    Reported
    2021-11-11
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Largest amount reported
    80 gallons
    Where
    Delaware Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2111EPA0001734
  17. Orphan Container(S)2023-07-19 · Delaware · 1.8 mi
    Reported
    2023-07-19
    What spilled
    Orphan Container(S)
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2307EPA0001219
  18. Oil Transformer Non Pcb2024-01-24 · Delaware · 1.9 mi
    Reported
    2024-01-24
    What spilled
    Oil Transformer Non Pcb
    Largest amount reported
    20 gallons
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2401EPA0000120
  19. Natural Gas2024-11-01 · Delaware · 2.0 mi
    Reported
    2024-11-01
    What spilled
    Natural Gas
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2411EPA0001826
  20. Fuel Gasoline ( 25% Ethanol Not E85)2021-08-31 · Delaware · 2.1 mi
    Reported
    2021-08-31
    What spilled
    Fuel Gasoline ( 25% Ethanol Not E85)
    Largest amount reported
    20 gallons
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2108EPA0001371
  21. Other / All Other / Trade Name / Mixture / Solution Etc2022-07-18 · Delaware Twp · 2.1 mi
    Reported
    2022-07-18
    What spilled
    Other / All Other / Trade Name / Mixture / Solution Etc
    Where
    Delaware Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2207EPA0001087
  22. Oil Petroleum Not Otherwise Specified (Nos)2023-03-13 · Delaware Twp · 2.2 mi
    Reported
    2023-03-13
    What spilled
    Oil Petroleum Not Otherwise Specified (Nos)
    Where
    Delaware Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2303EPA0000379
  23. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2026-03-05 · Delaware · 2.4 mi
    Reported
    2026-03-05
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2603EPA0000305
  24. Material Blue Reached water2024-05-13 · Liberty Twp · 2.5 mi
    Reported
    2024-05-13
    What spilled
    Material Blue
    Reached a waterway
    99 - Unnamed
    Where
    Liberty Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2405EPA0000797
  25. Oil Hydraulic Fluid(S)2024-06-11 · Delaware Twp · 2.5 mi
    Reported
    2024-06-11
    What spilled
    Oil Hydraulic Fluid(S)
    Where
    Delaware Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2406EPA0000983
  26. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2026-06-18 · Delaware · 2.7 mi
    Reported
    2026-06-18
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Largest amount reported
    50 gallons
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2606EPA0001086
  27. Manure Nos (Not Specified) Reached water2021-03-26 · Delaware · 3.0 mi
    Reported
    2021-03-26
    What spilled
    Manure Nos (Not Specified)
    Reached a waterway
    99 - Unnamed
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2103EPA0000411
  28. Orphan Drum(S) Reached water2025-04-18 · Troy Twp · 3.1 mi
    Reported
    2025-04-18
    What spilled
    Orphan Drum(S)
    Reached a waterway
    21 - Olentangy River
    Where
    Troy Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2504EPA0000591
  29. Oil Motor / Lube Oil / Vehicle Reached water2021-08-17 · Delaware · 3.1 mi
    Reported
    2021-08-17
    What spilled
    Oil Motor / Lube Oil / Vehicle
    Largest amount reported
    10 gallons
    Reached a waterway
    99 - Unnamed
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2108EPA0001276
  30. Oil Petroleum Not Otherwise Specified (Nos)2024-08-19 · Delaware · 3.2 mi
    Reported
    2024-08-19
    What spilled
    Oil Petroleum Not Otherwise Specified (Nos)
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2408EPA0001434
  31. Material Unknown2023-11-20 · Berlin Twp · 3.4 mi
    Reported
    2023-11-20
    What spilled
    Material Unknown; Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Largest amount reported
    35 gallons
    Where
    Berlin Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2311EPA0001959
  32. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2025-01-22 · Delaware · 3.4 mi
    Reported
    2025-01-22
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Where
    Delaware, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2501EPA0000081
  33. Manure Chicken2026-04-10 · Troy Twp · 3.8 mi
    Reported
    2026-04-10
    What spilled
    Manure Chicken
    Where
    Troy Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2604EPA0000604
  34. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2022-04-04 · Concord Twp · 4.2 mi
    Reported
    2022-04-04
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Largest amount reported
    25 gallons
    Where
    Concord Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2204EPA0000464
  35. Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)2023-08-24 · Troy Twp · 4.6 mi
    Reported
    2023-08-24
    What spilled
    Fuel Diesel / Diesel Fuel (Vehicle On Or Off Road)
    Largest amount reported
    35 gallons
    Where
    Troy Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2308EPA0001465
  36. Oil Transformer Non Pcb2023-10-23 · Berlin Twp · 4.7 mi
    Reported
    2023-10-23
    What spilled
    Oil Transformer Non Pcb
    Where
    Berlin Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2310EPA0001812
  37. Other / All Other / Trade Name / Mixture / Solution Etc2024-09-17 · Troy Twp · 4.8 mi
    Reported
    2024-09-17
    What spilled
    Other / All Other / Trade Name / Mixture / Solution Etc
    Where
    Troy Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2409EPA0001590
  38. Sewage Human2023-12-28 · Troy Twp · 4.9 mi
    Reported
    2023-12-28
    What spilled
    Sewage Human
    Where
    Troy Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2312EPA0002102
  39. Material Unknown2022-04-18 · Concord Twp · 5.0 mi
    Reported
    2022-04-18
    What spilled
    Material Unknown
    Where
    Concord Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2204EPA0000531
  40. Fuel Gasoline ( 25% Ethanol Not E85)2022-06-01 · Berlin Twp · 5.2 mi
    Reported
    2022-06-01
    What spilled
    Fuel Gasoline ( 25% Ethanol Not E85)
    Where
    Berlin Twp, Delaware County
    Ohio EPA district office
    CDO
    Ohio EPA case number
    2206EPA0000808

Source: Ohio EPA emergency response spill reports, 2021 to September 2026, one point per case where Ohio EPA placed it. A report is what the caller or responder recorded; amounts are often blank or estimated. Miles are straight-line from the ZIP's population-weighted center.

Source: Ohio EPA emergency response spill reports (geo.epa.ohio.gov EmergResponse/Spills2_OpenData): cases with a location inside each ZIP, 2021 to date · Ohio EPA spills data · Ohio EPA Office of Emergency Response

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Oil and gas wells

51 to 200

125 wells in the ZIP1 producing · 0 shale · 0 orphan · nearest 0.23 mi

Source: ODNR Division of Oil and Gas Resources public well inventory (242,324 well heads, fetched 2026-09-08): wells inside each ZIP by status, horizontal shale wells, injection wells, orphan-program wells · ODNR oil and gas · ODNR GIS services

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Abandoned mines

Under 1% of the area undermined

under 0.1% of the area (land plus inland water) undermined1 mine, 1 acre

Source: ODNR Mines of Ohio: abandoned underground coal and industrial-mineral mines mapped before 1977 (5,116 polygons), overlaid on ZCTAs in Albers equal-area: share of each ZCTA's total area (land plus inland water) over a mapped mine; ODNR… · ODNR mines of Ohio · ODNR Geological Survey

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Soils

Somewhat limited

Blount silt loam, ground moraine, 2 to 4 percent slopesseptic somewhat limited · somewhat poorly drained

Source: USDA NRCS SSURGO via Soil Data Access: the soil map unit under each ZIP's population-weighted center with its dominant component, drainage, hydric and farmland class, flooding, and the Ohio septic and basement interpretation ratings… · USDA Soil Data Access · Web Soil Survey · Open-Meteo elevation

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Parks

5 to 15%

14% public land · 11,507 acresDelaware Recreation Area · Alum Creek State Park 4.7 mi

Source: USGS Protected Areas Database 4.1 (Ohio state package, flattened combined layer, open-access fee, designation and easement polygons plus the six ODNR state parks PAD-US codes closed by default: Buckeye Lake, Forked Run, Hueston Woods, Lake… · USGS PAD-US · ODNR GIS services

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Wetlands

1 to 3%

1.4% wetland · 1,108 acrespond 584 · forested/shrub wetland 343 · emergent wetland 181

Source: USFWS National Wetlands Inventory, Ohio geodatabase (imagery mostly 2004 to 2007, Lake Erie basin 2021), freshwater wetlands and ponds clipped to each ZIP (lakes and rivers excluded); Ohio EPA potential high-quality vernal pools… · USFWS wetlands inventory · Ohio EPA GIS services

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Land cover

15% to 40%

20% developed · 16% tree canopycropland 45% · forest 17% · pasture 12%

Source: National Land Cover Database, 2021 edition (USGS and the MRLC consortium; MRLC has since published Annual NLCD and annual tree canopy through 2025, not yet pulled here): land cover, percent impervious surface and tree canopy at 30 m… · NLCD · USDA Cropland Data Layer · ODNR pre-settlement vegetation

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People and health

Who lives here and how well: education, jobs, health and life expectancy, and how far the nearest hospital, police station or grocery store sits.

People

40 to 55%

48.8% bachelor's or higher81.4% white · 4.1% Black · 4.9% Hispanic · 4.8% Asian · 5.4% foreign-born

Source: Census ACS 2020-2024 5-year by ZCTA: educational attainment (B15003), race and Hispanic origin (B03002), nativity (B05002), veterans (B21001); IRS Statistics of Income county migration flows 2022 to 2023 for the county; Census Bureau… · Census ACS · Census population estimates · IRS migration data · USDA ERS county codes · USDA ERS commuting area codes · 2020 Census redistricting data · Census SAIPE · IRS exempt organizations

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Jobs

0.6 to 1

22,447 jobs · 30,834 employed residentsHealth care and social assistance leads

Source: Census LEHD LODES 8, 2023, all jobs: workplace and residence counts by census block summed into ZCTAs (workplace-only blocks by block-group or tract majority), origin-destination flows for where residents work; Census ZIP Code Business… · Census LEHD · BLS local unemployment · BLS QCEW · BEA county GDP · USAspending · OSHA enforcement data · Census ZIP Business Patterns · Census ACS · USDA ERS county typology · CDFI Fund Opportunity Zones

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Economic history

Inland rivers

Olentangy River, drawn via the city's North and South intakes upstream of town (blended with 5 active deep wells)City of Delaware Water Treatment Plant · Delaware City · +1 more

Source: Historical economic data: Census Bureau historical county population via the NBER mirror (1900) and Census Bureau population estimates (current and peak), Census County Business Patterns, USDA Census of Agriculture, FHFA House Price Index… · FRED (Federal Reserve Bank of St. Louis) · Census County Business Patterns · USDA Census of Agriculture · FHFA House Price Index · BEA GDP by county · Census American Community Survey · IPUMS NHGIS historical census · Zillow Home Value Index

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Upward mobility

40th to 45th

Percentile rank 41.8income rank at 35 for children of low-income parents · 1.63% incarcerated in 2010

Source: Opportunity Atlas (Chetty, Friedman, Hendren, Jones and Porter, Census Bureau): tract outcomes for children born 1978 to 1983, population-weighted to ZIPs through 2020 census blocks · Opportunity Atlas · Opportunity Insights data

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Social vulnerability

20th to 40th percentile

35th percentile of Ohio tractssocioeconomic 30 · household 35 · minority status 52 · housing and transport 44

Source: CDC/ATSDR Social Vulnerability Index 2022 by census tract (percentile ranks among Ohio tracts), population-weighted to ZIPs through 2020 census blocks · CDC/ATSDR SVI

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Health

12 to 16%

14.0% in fair or poor healthobesity 33.5% · diabetes 10.5% · smoking 12.3% · depression 22.9%

Source: CDC PLACES 2025 release, ZCTA model-based estimates of adult health (BRFSS 2023, ACS): fair or poor health, obesity, diabetes, smoking, depression, lack of health insurance among adults 18-64 and more; County Health Rankings 2025… · CDC PLACES · County Health Rankings · CDC overdose data · NCI cancer profiles · HRSA data

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Life expectancy

76 to 79

78.0 years life expectancy17 tracts, from 74.2 to 83.9

Source: CDC/NCHS U.S. Small-area Life Expectancy Estimates Project (USALEEP, deaths 2010-2015, 2010 census tracts) weighted into ZIPs by 2020 block population · CDC USALEEP

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Hospitals

Under 3 miles

Grady Memorial Hospital · 1.8 miDelaware · 152 beds · 1 within 10 miles

Hospitals within 5 miles, and the nearest beyond

  1. Grady Memorial HospitalGeneral hospital · Delaware · 1.8 mi
    What it is
    General hospital
    Address
    561 W Central Avenue, Delaware, OH 43015
    County
    Delaware County
    Beds
    152
    Helipad
    Yes
    Ownership
    Non-profit
    Medicare overall rating
    4 of 5 stars
    Emergency department (Medicare)
    Yes
    Phone
    (740) 615-1000
    Medicare ID
    360210
  2. Mount Carmel Rehabilitation Hospital An Affiliate of Encompass HealthRehabilitation hospital · Westerville · 11.6 mi
    What it is
    Rehabilitation hospital
    Address
    597 Executive Campus Drive, Westerville, OH 43082
    County
    Delaware County
    Beds
    60
    Ownership
    Proprietary
    Phone
    (614) 392-3400
  3. Ohiohealth Emergency Care CenterGeneral hospital · Westerville · 11.8 mi
    What it is
    General hospital
    Address
    260 Polaris Pkwy, Westerville, OH 43082
    County
    Delaware County
    Ownership
    Proprietary
    Phone
    (740) 504-7303

Source: HIFLD hospitals inventory via FEMA (closed hospitals it still lists left out, hospitals opened since added), with Medicare Care Compare ratings matched by name and address. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Community health centers within 3 miles, and the nearest beyond

  1. Southeast, Inc. - Delaware Health CenterHealth center · Delaware · 2.0 mi
    Run by
    a federally qualified health center
    Setting
    Clinic
    City
    Delaware
    Coordinates
    40.29691, -83.04019
  2. Equitas Health Columbus Administration OfficeHealth center · Columbus · 13.4 mi
    Run by
    a federally qualified health center
    Setting
    Clinic
    City
    Columbus
    Coordinates
    40.10181, -82.98511

Source: HRSA health center service delivery sites, active, September 2026 (school-based sites left out). Health centers see patients whether or not they have insurance, with fees on a sliding scale. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Dialysis centers within 5 miles

  1. Usrc Delaware CountyDialysis · Delaware · 1.2 mi
    Address
    1788 Columbus Pike, Delaware, OH 43015
    Dialysis stations
    12
    Medicare star rating
    4 of 5 stars
    Services
    in-center hemodialysis, peritoneal dialysis
    Ownership
    for profit
    Chain
    US Renal Care, Inc.
    Medicare certified since
    2007-12-14
    Phone
    (740) 369-4870
    Medicare ID
    362713
  2. Fmc - Delaware DialysisDialysis · Delaware · 1.9 mi
    Address
    36 Troy Road, Delaware, OH 43015
    Dialysis stations
    13
    Medicare star rating
    3 of 5 stars
    Services
    in-center hemodialysis, peritoneal dialysis, home hemodialysis training
    Ownership
    for profit
    Chain
    Fresenius Medical Care
    Medicare certified since
    2008-09-15
    Phone
    (740) 363-7171
    Medicare ID
    362723

Source: CMS dialysis facility list, September 2026, geocoded with the Census Bureau batch geocoder (an address it could not place sits at its ZIP center). Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Source: Nearest hospital: miles from each ZIP's population-weighted center to the nearest open general or critical-access hospital in Ohio, or, within 40 miles of the state line in Indiana, Kentucky, West Virginia, Pennsylvania and Michigan, the… · CMS Care Compare data · HIFLD · HRSA data · CMS NPI files

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Nursing homes

Under 1 mile

COUNTRY CLUB CENTER V, INC · 0.2 mi5 of 5 stars · 50 beds · 5 within 5 miles

Nursing homes within 3 miles

  1. Country Club Center V, Inc5 of 5 stars · Delaware · 0.2 mi
    Address
    478 S Sandusky St, Delaware, OH 43015
    Certified beds
    50
    Residents on an average day
    47
    Medicare overall rating
    5 of 5 stars
    Health inspections
    4 of 5 stars
    Staffing
    2 of 5 stars
    Quality measures
    5 of 5 stars
    Penalties since 2023
    none
    Ownership
    For profit - Corporation
    Chain
    COUNTRY CLUB REHABILITATION CAMPUS
    Takes
    Medicare and Medicaid
    Phone
    (740) 369-8741
    Medicare ID
    366026
  2. Cherith Care Center at Willow Brook5 of 5 stars · Delaware · 0.9 mi
    Address
    100 Willow Brook Way, South, Delaware, OH 43015
    Certified beds
    34
    Residents on an average day
    32
    Medicare overall rating
    5 of 5 stars
    Health inspections
    4 of 5 stars
    Staffing
    4 of 5 stars
    Quality measures
    5 of 5 stars
    Penalties since 2023
    none
    Ownership
    Non profit - Church related
    Continuing care retirement community
    Yes
    Takes
    Medicare and Medicaid
    Phone
    (740) 369-0048
    Medicare ID
    366246
  3. Ohio Living Sarah Moore5 of 5 stars · Delaware · 1.2 mi
    Address
    26 North Union Street, Delaware, OH 43015
    Certified beds
    47
    Residents on an average day
    44
    Medicare overall rating
    5 of 5 stars
    Health inspections
    3 of 5 stars
    Staffing
    5 of 5 stars
    Quality measures
    5 of 5 stars
    Penalties since 2023
    none
    Ownership
    Non profit - Corporation
    Chain
    OHIO LIVING COMMUNITIES
    Continuing care retirement community
    Yes
    Takes
    Medicare and Medicaid
    Phone
    (740) 362-9641
    Medicare ID
    366310
  4. Delaware Court Health Care Center2 of 5 stars · Delaware · 1.7 mi
    Address
    4 New Market Dr, Delaware, OH 43015
    Certified beds
    75
    Residents on an average day
    55
    Medicare overall rating
    2 of 5 stars
    Health inspections
    2 of 5 stars
    Staffing
    4 of 5 stars
    Quality measures
    3 of 5 stars
    Penalties since 2023
    none
    Ownership
    For profit - Corporation
    Takes
    Medicare and Medicaid
    Phone
    (740) 369-6400
    Medicare ID
    365676
  5. Arbors at Delaware Abuse citation2 of 5 stars · Delaware · 2.9 mi
    Address
    2270 Warrensburg Road, Delaware, OH 43015
    Certified beds
    99
    Residents on an average day
    88
    Medicare overall rating
    2 of 5 stars
    Health inspections
    1 of 5 stars
    Staffing
    2 of 5 stars
    Quality measures
    5 of 5 stars
    Penalties since 2023
    1 payment denial (latest 2024-06-26)
    Abuse citation (CMS icon)
    Yes
    Ownership
    For profit - Corporation
    Chain
    ARBORS AT OHIO
    Takes
    Medicare and Medicaid
    Phone
    (740) 369-9614
    Medicare ID
    365408

Source: CMS Care Compare nursing home provider and penalties files; Medicare star ratings run 1 to 5. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Source: CMS Care Compare nursing home provider file (922 Ohio homes), addresses geocoded with the Census Bureau batch geocoder (67 unmatched placed at their ZIP center); CMS penalties file (fines and payment denials since 2023, matched by name and… · CMS Care Compare data

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Crime

1 to 2.5

1.5 violent offenses per 1,000Delaware Police · 10.1 property per 1,000 · 12 months · 44% of violent cleared

Source: FBI Crime Data Explorer NIBRS incident files for Ohio, 2024 (2023 file for the trend), as downloaded in September 2026; the FBI keeps accepting agency revisions after release, so an agency's live Explorer totals for the same year can… · FBI Crime Data Explorer · USGS structures service

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Police

1 to 2 miles

Delaware Police Department · 1.3 mi3 stations within 3 miles · post office 1 mi

Police stations within 3 miles

  1. Delaware Police DepartmentDelaware · 1.3 mi
    Address
    70 North Union Street, Delaware, OH 43015
    Coordinates
    40.30110, -83.06530
  2. Delaware County Sheriff's OfficeDelaware · 2.4 mi
    Address
    844 US Highway 42 North, Delaware, OH 43015
    Coordinates
    40.31220, -83.04806
  3. Delaware County Sheriff’s OfficeDelaware · 2.7 mi
    Address
    1776 State Route 521, Delaware, OH 43015
    Coordinates
    40.30086, -83.02631

Source: USGS National Map structures, police stations, corrected and completed by hand (September 2026). The department that answers a call is set by jurisdiction, not by distance. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Source: USGS National Map structures: police stations (772 Ohio points: the inventory's 731 less 4 closed or duplicate records, with 4 wrong names corrected, plus 45 departments and sheriff's offices it lacks, placed from OpenStreetMap or the… · USGS structures service · OpenStreetMap · Census Bureau geocoder

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Fire and EMS

Under 1 mile

Delaware City Fire Department · 0.9 mi3 stations within 3 miles, 10 within 8

Fire and EMS stations within 3 miles

  1. Delaware City Fire DepartmentDelaware · 0.9 mi
    Address
    99 South Liberty Street, Delaware, OH 43015
    Coordinates
    40.29620, -83.07291
  2. Delaware City Fire Department Station 302Delaware · 1.1 mi
    Address
    683 Pittsburgh Drive, Delaware, OH 43015
    Coordinates
    40.28170, -83.09341
  3. Tri - Township Fire Department Thurman Evans Station 331Delaware · 1.7 mi
    Address
    495 Sunbury Road, Delaware, OH 43015
    Coordinates
    40.29814, -83.04633

Source: USGS National Map structures (most Ohio records last updated 2019 to 2022), checked against the Columbus and Cleveland station lists. The department that answers a call is set by jurisdiction and mutual aid, not by distance. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Source: USGS National Map structures inventory (fire and EMS stations; most Ohio records last updated 2019 to 2022): 1,772 Ohio stations after removing duplicate records and checking Columbus- and Cleveland-area stations against the cities'… · USGS structures service · Columbus fire stations · Cleveland fire stations

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Libraries

1 to 2 miles

Delaware County District Library · 1.2 mi1 within 3 miles, 4 within 8

Public libraries within 3 miles, and the nearest beyond

  1. Delaware County District LibraryCentral library · Delaware · 1.2 mi
    Address
    84 E. Winter St., Delaware, OH 43015
    What it is
    Central library
    Library system
    Delaware County District Library
    Open
    2,600 hours a year, 52 weeks
    Building
    44,000 sq ft
    System's visits, FY2024
    486,824
    System's loans, FY2024
    1,955,604
    People the system serves
    165,831
    Phone
    (740) 362-3861
  2. Liberty BranchBranch · Powell · 6.2 mi
    Address
    7468 Steitz Road, Powell, OH 43065
    What it is
    Branch
    Library system
    Delaware County District Library
    Open
    2,600 hours a year, 52 weeks
    Building
    44,000 sq ft
    System's visits, FY2024
    486,824
    System's loans, FY2024
    1,955,604
    People the system serves
    165,831
    Phone
    (740) 513-4557

Source: IMLS Public Libraries Survey FY2024 (outlets and their systems). Any Ohio resident can get a free card at any Ohio public library. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Museums, historical societies, gardens and zoos inside ZIP 43015

  1. Kraus PreserveZoo, aquarium or wildlife conservation · Delaware · 1.0 mi
    What it is
    Zoo, aquarium or wildlife conservation
    City
    Delaware
    Coordinates
    40.29709, -83.06782

    The museum list is IMLS's 2018 file; a museum may have closed or moved since.

  2. Richard M. Ross Museum Of ArtArt museum · Delaware · 1.0 mi
    What it is
    Art museum
    City
    Delaware
    Coordinates
    40.29709, -83.06782

    The museum list is IMLS's 2018 file; a museum may have closed or moved since.

  3. Delaware Co Historical SocietyHistorical society · Delaware · 1.3 mi
    What it is
    Historical society
    City
    Delaware
    Coordinates
    40.29854, -83.06018

    The museum list is IMLS's 2018 file; a museum may have closed or moved since.

Source: IMLS Museum Data Files, 2018. Miles are straight-line from the ZIP's population-weighted center.

Source: IMLS Public Libraries Survey FY2024 outlet and system files (720 open Ohio central libraries and branches of 251 systems, plus 62 bookmobiles); straight-line miles from each ZIP's population-weighted center to the nearest Ohio library… · IMLS Public Libraries Survey · IMLS Museum Data Files

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Groceries

Under 10% of residents

5.5% in low-income, low-access tracts66% over 1 mile from a supermarket · 7% of households on SNAP (ACS)

Source: USDA Food Access Research Atlas 2019 Large Retailer Access Map (2010 tracts, ERS's name for the file since July 2026) weighted by 2020 block population: distance to the nearest supermarket and low-income low-access flags; Census ACS… · USDA ERS Large Retailer Access Map · USDA SNAP retailers · Census ACS

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History, schools and government

How the place began, who governs it now, and the schools that serve it, from the district boundary to its state report card.

Local history

1800 to 1814

Delaware · settled 1801first settled, platted or incorporated (earliest year recorded)

Source: Local history researched from Wikipedia, the 1880 county histories on archive.org, Ohio History Connection, National Register listings, Ohio historical markers, local historical societies and Wikimedia Commons, one file per municipality… · Ohio History Connection · Internet Archive (county histories) · Wikimedia Commons · Remarkable Ohio (historical markers)

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Historic places

16 or more

28 listed historic placesAustin Hall

  1. Austin HallBuilding · Delaware · listed 1985
    Address
    OWU, W. Central Ave. & Elizabeth St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1985
    NRIS reference number
    85000631
    Coordinates
    40.30164, -83.07696
  2. Cleveland, Columbus, Cincinnati & Indianapolis Railroad DepotBuilding · Delaware
    Address
    60 Lake St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Latest NPS certification action
    2022
    NRIS reference number
    100008393
    Coordinates
    40.30047, -83.05851
  3. Cooper, Samuel, FarmhouseBuilding · Radnor · listed 1993
    Address
    695 Lawrence Rd.
    Where
    Radnor, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1993
    NRIS reference number
    93000395
    Coordinates
    40.32581, -83.15921
  4. Crist Tavern Annex--Millworkers Boarding HouseBuilding · Delaware · listed 1994
    Address
    2966 Olentangy River Rd.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1994
    NRIS reference number
    94000277
    Coordinates
    40.25566, -83.06421
  5. Delaware County CourthouseBuilding · Delaware · listed 1973
    Address
    N. Sandusky St. and Central Ave.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1973
    NRIS reference number
    73001429
    Coordinates
    40.30180, -83.06820
  6. Delaware County Jail and Sheriff's ResidenceBuilding · Delaware · listed 1990
    Address
    20 W. Central Ave.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1990
    NRIS reference number
    90001083
    Coordinates
    40.30179, -83.06901
  7. Delaware Post OfficeBuilding · Delaware
    Address
    60 South Sandusky St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Latest NPS certification action
    2020
    NRIS reference number
    100004824
    Coordinates
    40.29494, -83.06828
  8. Delaware Public LibraryBuilding · Delaware · listed 1983
    Address
    101 N. Sandusky St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1983
    NRIS reference number
    83001957
    Coordinates
    40.30230, -83.06551
  9. Edwards Gymnasium/Pfieffer NatatoriumBuilding · Delaware · listed 1985
    Address
    OWU Main Campus, S. Sandusky St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1985
    NRIS reference number
    85000632
    Coordinates
    40.29469, -83.06752
  10. Elliott Hall, Sturges Library, And Merrick HallHistoric district · Delaware · listed 1973
    Address
    Ohio Wesleyan University campus
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Historic district
    Listed on the National Register
    1973
    NRIS reference number
    73001430
    Coordinates
    40.29616, -83.06614
  11. Gooding House and TavernBuilding · Orange Township · listed 2005
    Address
    7669 Stagers Loop
    Where
    Orange Township, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    2005
    NRIS reference number
    05000753
    Coordinates
    40.18160, -83.02449
  12. High HouseBuilding · Delaware · listed 1986
    Address
    2360 Panhandle Rd.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1986
    NRIS reference number
    86000238
    Coordinates
    40.33082, -83.06226
  13. Limestone ValeBuilding · Delaware · listed 1978
    Address
    3490 Olentangy River Rd.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1978
    NRIS reference number
    78002055
    Coordinates
    40.24780, -83.06044
  14. Mill Worker House No. 1Building · Delaware · listed 1991
    Address
    2665 Stratford Rd.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1991
    NRIS reference number
    91001431
    Coordinates
    40.25883, -83.06313
  15. Mill Worker House No. 3Building · Delaware · listed 1991
    Address
    2505 Stratford Rd.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1991
    NRIS reference number
    91001433
    Coordinates
    40.26073, -83.06283
  16. Mill Worker House No. 4Building · Delaware · listed 1991
    Address
    2441 Stratford Rd.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1991
    NRIS reference number
    91001434
    Coordinates
    40.26100, -83.06284
  17. Mill Worker House No. 5Building · Delaware · listed 1991
    Address
    2441 Stratford Rd.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1991
    NRIS reference number
    91001435
    Coordinates
    40.26109, -83.06284
  18. Neff, Edward E., HouseBuilding · Delaware · listed 1988
    Address
    123 N. Franklin St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1988
    NRIS reference number
    87002546
    Coordinates
    40.30277, -83.06905
  19. Ohio Wesleyan University Student ObservatoryBuilding · Delaware · listed 1985
    Address
    OWU, W. William St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1985
    NRIS reference number
    85000633
    Coordinates
    40.29877, -83.07632
  20. Richey, James, FarmhouseBuilding · Delaware · listed 1993
    Address
    1395 South OH 257
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1993
    NRIS reference number
    93000891
    Coordinates
    40.29975, -83.16509
  21. Sanborn HallBuilding · Delaware · listed 1985
    Address
    OWU, W. Campus
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1985
    NRIS reference number
    85000634
    Coordinates
    40.30025, -83.07662
  22. Selby FieldBuilding · Delaware · listed 1985
    Address
    OWU, Henry St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1985
    NRIS reference number
    85000635
    Coordinates
    40.29666, -83.06351
  23. Slocum HallBuilding · Delaware · listed 1985
    Address
    OWU Main Campus, Sandusky St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1985
    NRIS reference number
    85000636
    Coordinates
    40.29606, -83.06696
  24. St. Mary's Church and RectoryBuilding · Delaware · listed 1980
    Address
    82 E. William St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1980
    NRIS reference number
    80002994
    Coordinates
    40.29851, -83.06598
  25. Stratford Methodist Episcopal ChurchBuilding · Delaware · listed 1991
    Address
    Jct. of US 23 and OH 315
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1991
    NRIS reference number
    91001436
    Coordinates
    40.25630, -83.06364
  26. Stuyvesant HallBuilding · Delaware · listed 1985
    Address
    OWU, W. William St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1985
    NRIS reference number
    85000637
    Coordinates
    40.29851, -83.07586
  27. University Hall-Gray's ChapelBuilding · Delaware · listed 1985
    Address
    OWU Main Campus, Sandusky St.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1985
    NRIS reference number
    85000638
    Coordinates
    40.29671, -83.06676
  28. Van Deman, Henry, HouseBuilding · Delaware · listed 1984
    Address
    6 Darlington Rd.
    Where
    Delaware, Delaware County · ZIP 43015
    What it is
    Building
    Listed on the National Register
    1984
    NRIS reference number
    84003662
    Coordinates
    40.30874, -83.07482

Source: National Park Service, National Register of Historic Places point file. The listing year is shown where NPS's certification date agrees with the listing's reference number. Listing recognizes significance; it does not restrict a private owner.

See them on the full map · every historic place in Delaware County

Source: National Park Service, National Register of Historic Places point file (3,286 points for 3,232 of Ohio's roughly 4,200 listings; listings without a point are not counted, and a listing with several points is counted once); listings inside… · National Register data · USGS GNIS

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Schools

193 city school districts

Delaware CityCity school district · 67% of residents, then Olentangy Local

Public schools inside ZIP 43015

  1. Laura Woodward Elementary School3.5 of 5 stars · Delaware · 0.7 mi
    Address
    200 S Washington St, Delaware, OH 43015
    School district
    Delaware City School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    610
    Teachers (full-time equivalent)
    31
    Report card, 2025-26
    3.5 of 5 stars
    Performance index
    76%
    Ohio building IRN
    042143
    NCES school ID
    390438700848
  2. James Conger Elementary School3 of 5 stars · Delaware · 1.5 mi
    Address
    10 Channing St, Delaware, OH 43015
    School district
    Delaware City School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    446
    Teachers (full-time equivalent)
    21.28
    Report card, 2025-26
    3 of 5 stars
    Performance index
    72%
    Ohio building IRN
    017822
    NCES school ID
    390438700847
  3. Robert F Schultz Elementary School3.5 of 5 stars · Delaware · 1.5 mi
    Address
    499 Applegate Ln, Delaware, OH 43015
    School district
    Delaware City School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    774
    Teachers (full-time equivalent)
    35
    Report card, 2025-26
    3.5 of 5 stars
    Performance index
    80.7%
    Ohio building IRN
    122093
    NCES school ID
    390438700724
  4. David Smith Elementary School4 of 5 stars · Delaware · 1.9 mi
    Address
    355 N Liberty St, Delaware, OH 43015
    School district
    Delaware City School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    374
    Teachers (full-time equivalent)
    20
    Report card, 2025-26
    4 of 5 stars
    Performance index
    80.5%
    Ohio building IRN
    008151
    NCES school ID
    390438700844
  5. Rutherford B Hayes High School4.5 of 5 stars · Delaware · 1.9 mi
    Address
    289 Euclid Ave, Delaware, OH 43015
    School district
    Delaware City School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    1,652
    Teachers (full-time equivalent)
    82.5
    Report card, 2025-26
    4.5 of 5 stars
    Performance index
    85.1%
    Four-year graduation rate
    96.8%
    Ohio building IRN
    033084
    NCES school ID
    390438700850
  6. Ervin Carlisle Elementary School4.5 of 5 stars · Delaware · 2.0 mi
    Address
    746 St Rt 37 W, Delaware, OH 43015
    School district
    Delaware City School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    533
    Teachers (full-time equivalent)
    29
    Report card, 2025-26
    4.5 of 5 stars
    Performance index
    85.4%
    Ohio building IRN
    010686
    NCES school ID
    390438700845
  7. John C Dempsey Middle School4 of 5 stars · Delaware · 2.2 mi
    Address
    599 Pennsylvania Ave, Delaware, OH 43015
    School district
    Delaware City School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    1,259
    Teachers (full-time equivalent)
    75.5
    Report card, 2025-26
    4 of 5 stars
    Performance index
    78.3%
    Ohio building IRN
    138065
    NCES school ID
    390438704530
  8. Olentangy Preschool at DACCDelaware · 4.0 mi
    Address
    4565 Columbus Pike, Delaware, OH 43015
    Kind (NCES)
    Regular School
    Students, 2023-24
    23
    NCES school ID
    390467605990
  9. Delaware Area Career Center South CampusDelaware · 4.0 mi
    Address
    4565 Columbus Pike, Delaware, OH 43015
    Kind (NCES)
    Career and Technical School
    Students, 2023-24
    299
    Teachers (full-time equivalent)
    58
    NCES school ID
    390509801492
  10. Olentangy Berlin High School4.5 of 5 stars · Delaware · 4.1 mi
    Address
    3140 Berlin Station Rd, Delaware, OH 43015
    School district
    Olentangy Local School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    1,740
    Teachers (full-time equivalent)
    73.84
    Report card, 2025-26
    4.5 of 5 stars
    Performance index
    93%
    Four-year graduation rate
    97.6%
    Ohio building IRN
    016941
    NCES school ID
    390467605968
  11. Cheshire Elementary4 of 5 stars · Delaware · 4.1 mi
    Address
    2681 Gregory Rd, Delaware, OH 43015
    School district
    Olentangy Local School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    833
    Teachers (full-time equivalent)
    38.73
    Report card, 2025-26
    4 of 5 stars
    Performance index
    93.1%
    Ohio building IRN
    010163
    NCES school ID
    390467605485
  12. Olentangy Berlin Middle School5 of 5 stars · Delaware · 4.2 mi
    Address
    2500 Piatt Rd, Delaware, OH 43015
    School district
    Olentangy Local School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    807
    Teachers (full-time equivalent)
    41.26
    Report card, 2025-26
    5 of 5 stars
    Performance index
    93.2%
    Ohio building IRN
    020064
    NCES school ID
    390467610863
  13. Buckeye Valley Local Middle School4.5 of 5 stars · Delaware · 4.5 mi
    Address
    683 Coover Rd, Delaware, OH 43015
    School district
    Buckeye Valley Local School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    593
    Teachers (full-time equivalent)
    34.7
    Report card, 2025-26
    4.5 of 5 stars
    Performance index
    85.9%
    Ohio building IRN
    125245
    NCES school ID
    390467500827
  14. Buckeye Valley Local High School5 of 5 stars · Delaware · 4.7 mi
    Address
    901 Coover Rd, Delaware, OH 43015
    School district
    Buckeye Valley Local School District
    Kind (NCES)
    Regular School
    Students, 2023-24
    617
    Teachers (full-time equivalent)
    35.52
    Report card, 2025-26
    5 of 5 stars
    Performance index
    90.7%
    Four-year graduation rate
    96.9%
    Ohio building IRN
    004143
    NCES school ID
    390467502645

Source: NCES EDGE public school locations 2024-25 and Common Core of Data 2023-24 (type, students, teachers); Ohio School Report Cards 2025-26 (Department of Education and Workforce), matched by name within the district. Miles are straight-line from the ZIP's population-weighted center.

Private schools inside ZIP 43015

  1. St Mary SchoolPrivate, Catholic · Delaware · 1.1 mi
    Address
    66 E William St, Delaware, OH 43015
    Kind
    Catholic
    Students, 2023-24
    122
    Teachers (full-time equivalent)
    19.9
    Students per teacher
    6.13065
    Phone
    (740) 362-8961
    NCES private school ID
    01059552

Source: NCES Private School Survey 2023-24. Miles are straight-line from the ZIP's population-weighted center.

Source: Ohio school district boundaries (U.S. Census Bureau TIGER/Line school districts, as of January 1, 2026) by resident share; NCES EDGE 2024-25 school buildings; NCES Private School Survey 2023-24 public-use file (schools inside the ZIP by… · ODOT GIS · NCES EDGE · NCES Common Core of Data · NCES private schools · Census SAIPE · Census school finances (F-33)

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School ratings

4.5 and 5 stars

4.5 stars overallDelaware City · performance index 81.5% of the year's maximum · 96.8% graduate in four years

Source: Ohio School Report Cards 2024-2025 (Department of Education and Workforce): district overall and component star ratings, performance index, graduation rates, spending per pupil and teacher measures, for the district holding the largest… · Ohio school report cards

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Colleges

Under 3 miles

Ohio Wesleyan University · 0.9 miDelaware · 2 campuses within 10 miles

Colleges within 5 miles, and the nearest beyond

  1. Ohio Wesleyan UniversityPrivate nonprofit college · Delaware · 0.9 mi
    What it is
    Private nonprofit college
    City
    Delaware
    Students, 2023-24 (12-month count)
    1,482
    Tuition and fees, in state
    $52,357
    Graduation rate
    62% of bachelor's students, within six years (a class of 447)
    IPEDS unit ID
    204909
  2. Methodist Theological School in OhioPrivate nonprofit college · Delaware · 2.1 mi
    What it is
    Private nonprofit college
    City
    Delaware
    Students, 2023-24 (12-month count)
    203
    IPEDS unit ID
    203997
  3. Pontifical College JosephinumPrivate nonprofit college · Columbus · 11.6 mi
    What it is
    Private nonprofit college
    City
    Columbus
    Students, 2023-24 (12-month count)
    80
    Tuition and fees, in state
    $27,829
    Graduation rate
    27% of bachelor's students, within six years (a class of 11)
    IPEDS unit ID
    205027

Source: NCES IPEDS 2024 directory, 2023-24 enrollment and tuition, graduation rates for the 2017 (four-year) and 2020 (two-year) entering classes. Miles are straight-line from the ZIP's population-weighted center, as the card above measures them.

Source: NCES IPEDS: 2024 institutional directory (269 active Ohio institutions with coordinates, less the administrative units and the colleges that have closed since; plus 145 in Indiana, Kentucky, West Virginia, Pennsylvania and Michigan within… · NCES IPEDS

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Local government

255 cities

Delaware (city)71% of residents, then Liberty Township, Delaware County

Source: ODOT municipal corporation and township boundaries by resident share of 2020 census blocks; Ohio EPA grants awarded in 2025 (OEPA_Achievements, MapServer layer 8); Auditor of State unauditable entities list · ODOT GIS · Auditor of State · Ohio EPA grants (OEPA_Achievements)

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Representatives

OH-4 · Jim Jordan (R)Senate 19 Andrew O. Brenner · House 61 Beth Lear

Source: ODOT TIMS Boundaries US_House_District, Ohio_Senate_District and Ohio_House_District (fetched 2026-09-08) by resident share of 2020 census blocks; members from the U.S. House, Ohio Senate and Ohio House directories, September 2026 · U.S. House · Ohio Senate · Ohio House · ODOT GIS

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Lakes near 43015 (Delaware)

The history under the water: the valley before, the dam, the stories. All Ohio lakes

Notable people from 43015 (Delaware)

Ohioans tied to this place, each with a sourced profile. All notable Ohioans

History from 43015 (Delaware)

People and inventions tied to this place, each with its sources. All people · All inventions

Rain and snow

How much has actually fallen on 43015 (Delaware), day by day, from 1894 to now. Daily totals, not averages.

rain, last 30 days
0.80 in
2026-09-30 to 2026-10-29
rain so far in 2026
39.5 in
5.6 in above normal for the date
snow so far in 2026
19.2 in
a normal year brings 23.0 in
a normal year
39.6 in
average of 30 years, 1991-2020
The last twelve months
MonthRain (in)Snow (in)Days counted
October 2026 0.80 — 29
September 2026 3.35 — 30
August 2026 9.53 — 31
July 2026 3.60 — 31
June 2026 3.24 — 30
May 2026 7.09 — 31
April 2026 4.36 — 30
March 2026 4.51 0.6 31
February 2026 1.23 3.5 28
January 2026 1.76 15.0 31
December 2025 2.32 10.5 31
November 2025 1.92 1.3 30
On the record, 1894–2026
Wettest year2000 — 52.9 in
Driest year1934 — 20.8 in
Snowiest year1910 — 57.3 in
Wettest day on record21 June 1937 — 4.88 in
Heaviest snowfall in a day31 March 1942 — 12.01 in
Deepest snow on the ground21 January 1978 — 21.00 in

Almost every day here is a measurement: 92% of them come from a rain gauge standing inside 43015 (Delaware) itself.

47,829 days of records, 1894-09-10 to 2026-10-29. Source: NOAA NCEI GHCN-Daily, 3,240 gauges in and around Ohio. A day is "gauged" when a gauge standing inside the boundary reported it, and the value is the mean of those gauges. Otherwise it is interpolated by inverse distance from every gauge reporting within 50 miles. Nothing is carried forward, back-filled or smoothed. Against NOAA nClimDiv county monthly precipitation over 136,848 complete county-months (checked 2026-10-31): correlation 0.9515, median absolute difference 0.217 in a month. Built 2026-10-31 from the Cracked Buckeye precipitation archive. Snow is the softer number — snowfall is measured by hand with a ruler, no agency publishes a gridded county snowfall series, and blowing snow defeats every observer.

Environmental permits and filings

What Ohio EPA has on file for 43015 (Delaware): permits, inspections, violations, cleanups and the state loans behind sewer and water work. Every line links to the agency's own document.

facilities and sites on file
493
those placed on the map inside 43015 (Delaware)

Data centers, power and big tech here. Ohio EPA files that name a data-center company, a power plant or substation, or a large technology firm:

  • CITI MIDWEST DATA CENTER (air pollution, latest Aug 26, 2025)
What kind of permits
ProgramFacilities and sites
Wastewater and stormwater discharge242
Sewer and water-line construction59
Wetland and stream fill53
Hazardous waste47
Air pollution37
Contaminated-site cleanup13
Site assessment10
Voluntary cleanup9
Public drinking water5
Composting4
Underground injection wells3
Cessation Of Regulated Operations2
6 smaller programs
The latest filings
DateFacility or siteWhat
FOUR SEASONS AT ADDISON FARMS SEC 3-4-5 Wastewater and stormwater discharge permit
FOUR SEASONS AT ADDISON FARMS SEC 1-2 Wastewater and stormwater discharge permit
FOUR SEASONS AT ADDISON FARMS SEC 1-2 Wastewater and stormwater discharge permit
DELAWARE CITY PWS Public drinking water plan
MCNETT MEADOWS PHASE 1 Sewer and water-line construction permit
MCNETT MEADOWS PHASE 1 Sewer and water-line construction permit
PRICE FARMS ORGANICS LTD Composting inspection
AHK OHIO Air pollution report
SNYDER RODMAN FUNERAL CENTER Air pollution report
GRADY MEMORIAL HOSPITAL, DELAWARE Voluntary cleanup inspection
CURTIS STREET DEVELOPMENT Wetland and stream fill permit
FOUR SEASONS AT ADDISON FARMS SEC 1-2 Wastewater and stormwater discharge permit
SHROYERS HOMES MHP Wastewater and stormwater discharge permit
DELAWARE STATE PARK Wastewater and stormwater discharge report
FOUR SEASONS AT ADDISON FARMS SEC 1-2 Wastewater and stormwater discharge permit
TROY TOWNSHIP HALL Wastewater and stormwater discharge permit
PRICE FARMS ORGANICS LTD Composting inspection
CURTIS STREET DEVELOPMENT Wetland and stream fill permit
PRICE FARMS ORGANICS LTD Composting director's approval
DELAWARE COUNTY WPCLF HSTS ASSISTANCE PROGRAM State sewer loans
DELAWARE CITY PWS Public drinking water plan
FOUR SEASONS AT ADDISON FARMS SEC 1-2 Wastewater and stormwater discharge permit
SIMPKINS PROPERTY DEVELOPMENT Wastewater and stormwater discharge permit
PPG DELAWARE - PROJECT SATURN Wastewater and stormwater discharge permit
FOUR SEASONS AT ADDISON FARMS SEC 3-4-5 Wastewater and stormwater discharge permit

Source: Ohio EPA eDocument portal (edocpub.epa.ohio.gov), indexed 2026-10-14. Facilities are placed on the map from Ohio EPA's own map layers, EPA's Facility Registry, coordinates written in the filings, or a geocoded street address. A permit filed under a private person's name (most are household septic systems) is counted but never named, placed or linked; licenses for individual workers and open-burning notices are left out entirely.

Around here

Places in this ZIP

School districts

ZIP codes next door

The county

Delaware County: 11 ZIP codes, 26 cities, villages and townships, 214,126 people. The county in numbers.

On the map

Infrastructure layers for this ZIP have not been compiled yet. Open this ZIP on the map to see what is drawn nearby.

Quick answers

What city is ZIP code 43015?

ZIP code 43015 is the Delaware, Ohio post office area in Delaware County, home to 57,563 residents. Of its residents, 71% live in the city of Delaware, 7% in Liberty Township, 4% in Concord Township and 4% in Orange Township.

What county is ZIP code 43015 in?

ZIP code 43015 is in Delaware County, Ohio.

Where does the tap water in ZIP code 43015 come from?

Olentangy River, drawn via the city's North and South intakes upstream of town (blended with 5 active deep wells). City of Delaware Water Treatment Plant · Delaware City · +1 more.

What school district is ZIP code 43015 in?

ZIP code 43015 is mostly in the Delaware City School District; parts are in the Olentangy Local School District and the Buckeye Valley Local School District.

Cite and data

Cite this page as:

Cracked Buckeye, "43015 · Delaware, Delaware County", https://crackedbuckeye.com/zip/43015/, built 2026-10-31, accessed [date].

How to cite · Report a correction · Built 2026-10-31