Water system
Enon Village
EPA ID OH1201812 · Clark County · 2,415 people served · owned by a local government
Enon Village treats its own water from Groundwater wells (4 wells).
The system's record
- Active wells
- 4
- Serves
- 2,415 people · Clark County
- EPA ID
- OH1201812
About this area's water
Did you know
- Enon is said to mean 'abundance of springs' - fitting for a village that runs entirely on wells in the Mad River Buried Valley Aquifer.
- The Enon water treatment plant is an ion-exchange softener, bringing finished water down to 8-10 grains per gallon of hardness in a region of hard limestone groundwater.
- Enon's distribution system has no lead service lines, no galvanized lines requiring replacement, and no unknown-material lines - the village confirmed this using construction and plumbing plans, visual inspection in…
- Enon's wells sit in a shallow aquifer less than 15 feet down with no protective clay cap near Enon Park, which is why Ohio EPA rates it highly susceptible - and why trace dry-cleaning and degreasing solvents turn up in…
- The village sits at a crossroads of deep history: Adena and Hopewell mound sites (the Campbell mounds), the Shawnee village of Old Piqua, an Indian trail to Old Chillicothe, and the old Springfield and Dayton Turnpike…
History5
- pre-1798First settlers arrive in Mad River Township. The area had earlier been occupied by the Adena, then the Hopewell (Campbell mounds), then the Shawnee at Old Piqua.
- 1838Site of Enon platted May 19, 1838 by Ezra Baker and Elnathan Corey; lots approved June 18, 1838.
- 1850Village of Enon incorporated March 15, 1850.
- 2004Ohio EPA completes a source water assessment of the Enon well field and finds the aquifer highly susceptible to contamination.
- 2025Enon held a current unconditional license to operate with no Ohio EPA monitoring violations; its four wells produced an average of 620,495 gallons per day.
Source: enon-oh.govenon-oh.gov
Treatment & pressure
How it is treated
Four wells in the Mad River Buried Valley Aquifer, in a well field on Enon Road just south of Interstate 70, produced an average of 620,495 gallons per day in 2025. The Enon Water Treatment Plant is an ion-exchange softening plant; average finished-water hardness is 8-10 grains per gallon. Water is…
Source: enon-oh.govenon-oh.gov
Water pressure
Not published. The 2025 CCR discusses pressure only generically, in the cross-connection/backflow section; no system pressure figure or pressure-zone map appears on the village…
Source: enon-oh.govenon-oh.gov
What it costs
$4.00 per 1,000 gallons
Typical household bill about $26 a month for water.
Monthly base charges effective January 2021: $26.00 inside the corporation and $28.00 outside, each covering the first 7,000 gallons; apartment units $24.50 inside / $26.50…
Source: enon-oh.gov
Water quality & impurities10
| Contaminant | Level | Limit | Year |
|---|---|---|---|
| Nitrate Sampled 02/10/2025; range 4.04-4.04 mg/l. The earlier draft dated this 2023, which the CCR does not support. | 4.04 mg/l | 10 mg/l MCL | 2025 |
| Total Trihalomethanes (LRAA) Range 3.2-6.4 ug/l. HAA5 is not reported in this CCR, so the earlier 'TTHM/HAA5' label and 'limit not specified' were… | 6.4 ug/l | 80 ug/l MCL | 2025 |
| Fluoride (running annual average) Range 0.52-1.26 mg/l in the table; the fluoride information section separately cites a 2025 range of 0.25-1.30 mg/l.… | 1.133 mg/l | 4 mg/l MCL | 2025 |
| Total chlorine (running annual average) Range 0.540-0.950 mg/l. | 0.8525 mg/l | MRDL 4.0 mg/l | 2025 |
| Tetrachloroethene (PCE) Quarterly running annual average; range ND-0.40 ug/l. Typical source: discharge from factories and dry cleaners.… | 0.2067 ug/l | 5.0 ug/l MCL | 2025 |
| Trichloroethene (TCE) Quarterly running annual average; range ND-0.08 ug/l. Typical source: metal degreasing sites and other factories. | 0.067 ug/l | 5.0 ug/l MCL | 2025 |
| cis-1,2-Dichloroethene Quarterly running annual average. Discharge from industrial chemical factories. The CCR also lists… | 0.05 ug/l | 70.0 ug/l MCL | 2025 |
| Barium Sampled 01/30/2023; range 0.0526-0.0526 mg/l. | 0.0526 mg/l | 2 mg/l MCL | 2023 |
| Lead (90th percentile) Zero of 10 samples exceeded the action level; 90% of test levels were non-detect. | ND ug/l | 15 ug/l action… | 2023 |
| Copper (90th percentile) Zero of 10 samples exceeded the action level. | 0.18 mg/l | 1.3 mg/l action… | 2023 |
Source: enon-oh.gov
EPA compliance record
Lead at the tap: 90th-percentile result 0 ppb in 2023 (action level 15 ppb).
EPA record: no health-based violations since 2015.
1 violation of any kind logged since 2020, 1 of them paperwork (monitoring, reporting, public notice or consumer report).
Supply stress
Corrected from the earlier draft. Ohio EPA's 2004 source water assessment found the aquifer supplying Enon has HIGH susceptibility to contamination, on four grounds reproduced in the 2025 CCR: no protective clay layer over the aquifer near Enon Park; shallow aquifer depth, less than 15 feet below ground surface; significant potential…
Source: enon-oh.gov
Sewers
Sanitary
Not established. The village services index lists only Parks, Planning & Zoning, Police, Water, Streets and Forms - there is no sewer or wastewater department page - and the 2025 CCR does not identify a wastewater provider. Enon publishes nothing about who treats its sewage, at what rates, or under what permit. This is a genuine gap in…
Storm
Not established. No stormwater utility, fee, drainage program or flooding history is published on the village site.
Source: enon-oh.govenon-oh.gov
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
- 45323 · Mad River Township and Enon50% of residents
Also present in 1 more ZIP code
- 45504 · Springfield5% 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
Enon Village does not buy water from another system on record; it treats its own source water.
1 system on record buys water from Enon Village: Clark County Green Meadows 2.
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
Notable facts: enon-oh.gov, enon-oh.gov, enon-oh.gov
History: enon-oh.gov, enon-oh.gov
Water quality: enon-oh.gov
Water pressure: enon-oh.gov, enon-oh.gov
Rates: enon-oh.gov
Sewers: enon-oh.gov, enon-oh.gov
Treatment: enon-oh.gov, enon-oh.gov
Supply stress: enon-oh.gov