County · Ohio
Richland County, Ohio: drinking water records
This overview covers 12 ZIP codes and 47 community water systems in Richland County. It also stands in for 0 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 |
|---|---|---|---|---|---|
| Mansfield City OH7002914 | 51,000 | 120 | 0 | 7 | 2 ppb |
| Shelby City OH7004511 | 9,453 | 120 | 1 | 0 | 0 ppb |
| Ontario City OH7003512 | 6,756 | 60 | 0 | 0 | 2.7 ppb |
| Lexington Village OH7002212 | 4,825 | 60 | 0 | 0 | 0 ppb |
| Clearfork MHP OH7000612 | 318 | 0 | 0 | 7 | 0 ppb |
| Aqua Ohio - Mansfield System #08 OH7003212 | 170 | 0 | 0 | 3 | 1.1 ppb |
| Grand Country MI0040419 | 130 | 0 | 0 | 1 | 1.9 ppb |
| Hillside MHP OH7002012 | 69 | 0 | 0 | 2 | 0 ppb |
| Madison Water District OH7006712 | 2,050 | 0 | 0 | 0 | 0 ppb |
| Bellville Village OH7000012 | 1,918 | 0 | 0 | 0 | 0.9 ppb |
| Plymouth Village OH7004003 | 1,874 | 0 | 0 | 0 | 0 ppb |
| Eastview Community Water Association OH7000912 | 1,100 | 0 | 0 | 0 | 2.6 ppb |
| Butler Village OH7000412 | 940 | 0 | 0 | 0 | 1.1 ppb |
| Aqua Ohio - Mansfield System #01 OH7002812 | 813 | 0 | 0 | 0 | 0 ppb |
| Aqua Ohio - Mansfield System #07 OH7001612 | 766 | 0 | 0 | 0 | 0 ppb |
| Lucas Village OH7002612 | 620 | 0 | 0 | 0 | 1.2 ppb |
| Shiloh Village OH7004712 | 601 | 0 | 0 | 0 | 1.7 ppb |
| Aqua Ohio - Mansfield System #02 OH7005912 | 588 | 0 | 0 | 0 | 2.5 ppb |
| Walnut Hills Water Association OH7005032 | 583 | 0 | 0 | 0 | 2.7 ppb |
| Crestwood Hills C and R Association OH7000812 | 564 | 0 | 0 | 0 | 0.9 ppb |
| Aqua Ohio - Mansfield System #03 OH7005812 | 525 | 0 | 0 | 0 | 2.1 ppb |
| Shelly Acres Water Association OH7004612 | 454 | 0 | 0 | 0 | 2.2 ppb |
| Aqua Ohio - Mansfield System #06 OH7005612 | 412 | 0 | 0 | 0 | 1.3 ppb |
| Expressview Comm Water Association OH7001012 | 300 | 0 | 0 | 0 | 3.7 ppb |
| Aqua Ohio - Mansfield System #11 OH7003312 | 280 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Richland County
No ZIP report in this county is published yet.
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.