Water system
West Carrollton City
EPA ID OH5702812 · Montgomery County · 8,361 people served · owned by a local government
West Carrollton City treats its own water from Great Miami Buried Valley Aquifer (wells).
The system's record
- Aquifer
- Great Miami Buried Valley Aquifer
- Active wells
- 3
- Serves
- 8,361 people · Montgomery County
- EPA ID
- OH5702812
Wells draw from the Great Miami River aquifer system in the Miami Valley.
About this area's water
Did you know
- West Carrollton is one of the few small Ohio systems that softens with membranes: a membrane filtration softening plant came online in early 2005 at the 1988 plant on Pierce Avenue.
- The aquifer under West Carrollton is officially rated highly susceptible to contamination -- no protective clay cap, and the water table sits less than 15 feet below the surface.
- The Great Miami Buried Valley Aquifer that West Carrollton pumps from was designated a U.S. EPA sole source aquifer in May 1988 and supplies more than a million people across nine counties.
- The city's drinking water plant and Montgomery County's regional wastewater plant are both inside West Carrollton; the county's Western Regional Water Reclamation Facility got a new screening and pretreatment building…
- In 2024 West Carrollton's lead 90th percentile came back at 0.0 ppb across 30 sample sites.
What it costs
$7.23 per 1,000 gallons
Typical household bill about $34 a month for water.
Ord. 3748 (passed 2-28-23), codified at §37.03, effective with the first quarter 2023 billing. Water is billed quarterly: a minimum charge covers 0-10,000 gallons ($65.95 for a…
Source: codelibrary.amlegal.com
Water quality & impurities
EPA compliance record
Lead at the tap: 90th-percentile result 0.4 ppb in 2024 (action level 15 ppb).
EPA health-based violations since 2015:
- 2024Lead and Copper Rule (lead) · treatment technique violation · returned to compliance
3 violations of any kind logged since 2020, 2 of them paperwork (monitoring, reporting, public notice or consumer report).
Projects & plans5
Recent and current work
- Membrane filtration softening plant · 2005 · completed
Brought online in early 2005; significantly reduced hardness in the finished water. - Acquisition of the former Appvion wastewater treatment site · 2012 · completed
27 acres at 4000 Hydraulic Road, PCB-contaminated from industrial use from the 1960s to the early 2000s. - Montgomery County SMART sewer program · $65 million · 2024 · completed
County project: a new pretreatment and screening facility at the Western Regional Water Reclamation Facility in West Carrollton plus a 70 MGD pump station on…
Source: westcarrollton.orgmcohio.orgdaytondailynews.com
Planned or needed
- Water Treatment Plant improvements · $8.8 million · 2025 · planned
Ohio EPA plan approval obtained; financed through the Ohio EPA Water Supply Revolving Loan Account. Replaces and modernizes treatment equipment more than 30… - Hydraulic Road site remediation and riverfront recreation project · 2025 · proposed
City plans to remediate, fill and cap the 27-acre former Appvion wastewater plant site for recreational use; total cost estimated above $10 million, with about…
Source: westcarrollton.orgdaytondailynews.comdaytondailynews.com
Sourcesverified
Compiled from the utility's own reports and public records, then independently re-checked against primary sources.
Main supplier in 1 ZIP code
Serves
Main water supplier in 1 ZIP code
- 45449 · West Carrollton and Dayton69% of residents
Also present in 1 more ZIP code
- 45342 · Miamisburg0% of residents
Population-weighted resident shares; a ZIP code can have more than one system on record. Recomputed from each ZIP's own system list, not from the map's cached footprint.
Buys from · Sells to
West Carrollton City does not buy water from another system on record; it treats its own source water.
No other system is on record buying water from West Carrollton City.
Photograph
On the map
Show this system's territory on the map — 2 ZIP codes in all.
Sources
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
West Carrollton City's own pages: westcarrollton.org, mcdwater.org
Notable facts: westcarrollton.org, mcdwater.org, dam.assets.ohio.gov, mcohio.org
History: westcarrollton.org, westcarrollton.org, daytondailynews.com, daytondailynews.com
Water quality: westcarrollton.org
Planned work: westcarrollton.org, daytondailynews.com, daytondailynews.com
Capital projects: westcarrollton.org, mcohio.org, daytondailynews.com, daytondailynews.com
Rates: codelibrary.amlegal.com
Sewers: westcarrollton.org, codelibrary.amlegal.com, mcohio.org, daytondailynews.com
Treatment: westcarrollton.org, daytondailynews.com
Supply stress: westcarrollton.org, mcdwater.org, dam.assets.ohio.gov, daytondailynews.com