County · Oklahoma
Seminole County, Oklahoma: drinking water records
This overview covers 8 ZIP codes and 10 community water systems in Seminole 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 |
|---|---|---|---|---|---|
| Wewoka Public Works Authority OK1020510 | 3,450 | 120 | 1 | 111 | 1.2 ppb |
| Seminole OK2006720 | 6,899 | 1,020 | 0 | 0 | 1.7 ppb |
| Bowlegs Lima Water OK2006701 | 2,500 | 0 | 0 | 1 | 0 ppb |
| Konawa Pwa OK2006704 | 1,479 | 0 | 0 | 1 | 4.9 ppb |
| Seminole Co. Rwd #1 OK3006702 | 387 | 0 | 0 | 38 | 0.7 ppb |
| Seminole Co. Rw&swmd #3 OK3006703 | 337 | 0 | 0 | 27 | 0 ppb |
| Seminole Co. Rwd #2 OK3006701 | 315 | 0 | 0 | 38 | 0.3 ppb |
| Sasakwa Rwd OK2006708 | 210 | 0 | 0 | 1 | 1.4 ppb |
| Sasakwa Pwa OK2006705 | 150 | 0 | 0 | 1 | 0.6 ppb |
| Seminole Co. Rwd #7 OK2006756 | 450 | 0 | 0 | 0 | 4.6 ppb |
ZIP reports in Seminole 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.