County · Oklahoma
Kingfisher County, Oklahoma: drinking water records
This overview covers 6 ZIP codes and 8 community water systems in Kingfisher 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 |
|---|---|---|---|---|---|
| Kingfisher OK2003702 | 5,073 | 60 | 0 | 31 | 0 ppb |
| Hennessey OK2003704 | 2,058 | 0 | 0 | 2 | 1 ppb |
| Okarche OK2003703 | 1,110 | 0 | 0 | 36 | 7.4 ppb |
| Dover Public Works Trust Auth OK2003705 | 400 | 0 | 0 | 1 | 1.1 ppb |
| Okarche Rwd, INC OK2003715 | 250 | 0 | 0 | 39 | 4.1 ppb |
| Kingfisher Co Rwd #3 OK2003722 | 237 | 0 | 0 | 1 | 0 ppb |
| Loyal OK2003701 | 81 | 0 | 0 | 18 | 2 ppb |
| Cashion OK3003703 | 900 | 0 | 0 | 0 | 3 ppb |
ZIP reports in Kingfisher 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.