County · North Dakota
Richland County, North Dakota: drinking water records
This overview covers 15 ZIP codes and 13 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 |
|---|---|---|---|---|---|
| Wahpeton City of ND3900973 | 7,766 | 60 | 0 | 0 | 2.4 ppb |
| Southeast Wud (East) ND3901068 | 4,225 | 60 | 0 | 0 | 3.9 ppb |
| Hankinson City of ND3900443 | 919 | 0 | 0 | 0 | 3.7 ppb |
| Lidgerwood City of ND3900567 | 652 | 0 | 0 | 0 | 1.7 ppb |
| Wyndmere City of ND3901043 | 429 | 0 | 0 | 0 | 0.6 ppb |
| Fairmount City of ND3900333 | 367 | 0 | 0 | 0 | 1.1 ppb |
| Abercrombie City of ND3900001 | 263 | 0 | 0 | 0 | 2 ppb |
| Walcott City of ND3900976 | 235 | 0 | 0 | 0 | 0.9 ppb |
| Mooreton City of ND3900703 | 197 | 0 | 0 | 0 | 2.2 ppb |
| Christine City of ND3900183 | 156 | 0 | 0 | 0 | 0 ppb |
| Colfax City of ND3900196 | 121 | 0 | 0 | 0 | 1.8 ppb |
| Mantador City of ND3900607 | 64 | 0 | 0 | 0 | 4.0 ppb |
| Barney City of ND3900055 | 52 | 0 | 0 | 0 | 1.9 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.