County · Kansas
Doniphan County, Kansas: drinking water records
This overview covers 6 ZIP codes and 8 community water systems in Doniphan 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 |
|---|---|---|---|---|---|
| Wathena, City of KS2004308 | 1,242 | 60 | 0 | 0 | 1.9 ppb |
| Troy, City of KS2004304 | 954 | 0 | 0 | 1 | 0 ppb |
| Highland, City of KS2004306 | 917 | 0 | 0 | 12 | 1.4 ppb |
| White Cloud, City of KS2004309 | 115 | 0 | 0 | 1 | 0 ppb |
| Doniphan Co Rwd 5 KS2004307 | 1,457 | 0 | 0 | 0 | 1.8 ppb |
| Elwood, City of KS2004302 | 1,114 | 0 | 0 | 0 | 1 ppb |
| Doniphan Co Rwd 3 KS2004301 | 437 | 0 | 0 | 0 | 0 ppb |
| Doniphan Co Rwd 6 KS2004310 | 428 | 0 | 0 | 0 | 3.4 ppb |
ZIP reports in Doniphan 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.