County · Oklahoma
Adair County, Oklahoma: drinking water records
This overview covers 4 ZIP codes and 9 community water systems in Adair 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 |
|---|---|---|---|---|---|
| Stilwell OK1020205 | 3,276 | 0 | 0 | 1 | 0.9 ppb |
| Adair Co Rwd #3 OK3000106 | 2,598 | 0 | 0 | 1 | 0 ppb |
| Adair Co Rwd #2 OK3000105 | 1,675 | 0 | 0 | 2 | 0 ppb |
| Westville Utility Authority OK3000109 | 1,596 | 0 | 0 | 1 | 0 ppb |
| Adair Co Rwd #5 OK1021770 | 675 | 0 | 0 | 6 | 1.6 ppb |
| Adair Co Rws & Swmd #6 OK2000145 | 27 | 0 | 0 | 1 | 0 ppb |
| Adair Co Rwd #1 (Cherry Tree) OK3000104 | 2,000 | 0 | 0 | 0 | 4.1 ppb |
| Adair Co Rwd #4 OK3000107 | 1,025 | 0 | 0 | 0 | 0 ppb |
| Watts OK3000108 | 316 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Adair 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.