County · North Dakota
Wells County, North Dakota: drinking water records
This overview covers 7 ZIP codes and 6 community water systems in Wells 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 |
|---|---|---|---|---|---|
| Central Plains Water District ND5201309 | 3,504 | 60 | 1 | 0 | 1.0 ppb |
| Cathay City of ND5200169 | 43 | 0 | 0 | 4 | 11.5 ppb |
| Harvey City of ND5200458 | 1,783 | 0 | 0 | 0 | 6.8 ppb |
| Fessenden City of ND5200338 | 479 | 0 | 0 | 0 | 0 ppb |
| Bowdon City of ND5200118 | 131 | 0 | 0 | 0 | 1.2 ppb |
| Sykeston City of ND5200927 | 117 | 0 | 0 | 0 | 0.8 ppb |
ZIP reports in Wells 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.