County · Ohio
Clark County, Ohio: drinking water records
This overview covers 16 ZIP codes and 26 community water systems in Clark County. It also stands in for 3 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Springfield City PWS OH1204412 | 60,680 | 60 | 0 | 0 | 0 ppb |
| Clark County Northridge PWS OH1201003 | 8,874 | 60 | 0 | 0 | 0 ppb |
| New Carlisle City PWS OH1203312 | 5,800 | 60 | 1 | 0 | 0 ppb |
| Clark County Park Layne PWS OH1201112 | 4,221 | 60 | 0 | 0 | 0 ppb |
| Clark County Green Meadows 2 PWS OH1200703 | 3,008 | 60 | 0 | 0 | 0 ppb |
| Chateau Estates MHP PWS OH1200412 | 430 | 0 | 0 | 1 | 5 ppb |
| South Vienna Village PWS OH1204312 | 393 | 0 | 0 | 7 | 0 ppb |
| Honey Creek Village MHP PWS OH1202612 | 225 | 0 | 0 | 1 | 0.5 ppb |
| Enon Village PWS OH1201812 | 2,415 | 0 | 0 | 0 | 0 ppb |
| South Charleston Village PWS OH1204212 | 1,660 | 0 | 0 | 0 | 0.8 ppb |
| Fairway Terrace MHP PWS OH1202312 | 800 | 0 | 0 | 0 | 2.2 ppb |
| North Hampton Village PWS OH1203412 | 538 | 0 | 0 | 0 | 1.5 ppb |
| Harmony Estates Mobile Home Park OH1202512 | 507 | 0 | 0 | 0 | 1.3 ppb |
| Clark County Rockway PWS OH1201203 | 383 | 0 | 0 | 0 | 0 ppb |
| Clark County Lawrenceville PWS OH1202812 | 302 | 0 | 0 | 0 | 0 ppb |
| Garden Acres Water Company PWS OH1202412 | 260 | 0 | 0 | 0 | 0 ppb |
| Catawba Village PWS OH1200312 | 241 | 0 | 0 | 0 | 1.3 ppb |
| Country Haven MHP PWS OH1201412 | 234 | 0 | 0 | 0 | 1.5 ppb |
| Clark County Limecrest PWS OH1253012 | 215 | 0 | 0 | 0 | 0 ppb |
| Greenlawn Condos OH1204912 | 203 | 0 | 0 | 0 | 4 ppb |
| Brookwood MHP PWS OH1200212 | 145 | 0 | 0 | 0 | 3.1 ppb |
| Woodbury Apartments PWS OH1201512 | 120 | 0 | 0 | 0 | 2.5 ppb |
| Park Terrace MHP OH1203712 | 100 | 0 | 0 | 0 | 1.4 ppb |
| Rolling Terrace MHP OH1203812 | 90 | 0 | 0 | 0 | 1.7 ppb |
| Enon Heights MHP PWS OH1202012 | 85 | 0 | 0 | 0 | 0.4 ppb |
ZIP reports in Clark County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 45316, 45319, 45372.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.