County · Oklahoma
Nowata County, Oklahoma: drinking water records
This overview covers 5 ZIP codes and 12 community water systems in Nowata 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 |
|---|---|---|---|---|---|
| Nowata Municipal Authority OK1021503 | 3,971 | 120 | 4 | 33 | 1.2 ppb |
| Nowata Co Rwd #7 OK3005321 | 1,050 | 0 | 0 | 17 | 1.4 ppb |
| South Coffeyville OK3005305 | 790 | 0 | 0 | 3 | 2.7 ppb |
| Elm Bend Rwd INC OK3005309 | 600 | 0 | 0 | 48 | 1.1 ppb |
| Nowata Co Rw & S Dist #1 OK3005304 | 500 | 0 | 0 | 1 | 2.1 ppb |
| Delaware OK1021502 | 456 | 0 | 0 | 10 | 0.1 ppb |
| Nowata Co Rwd #6 OK3005308 | 450 | 0 | 0 | 16 | 0 ppb |
| Lenapah Public Works Authority OK1021501 | 298 | 0 | 0 | 15 | 2.1 ppb |
| Nowata County Rwd # 3 OK3005302 | 225 | 0 | 0 | 17 | 0 ppb |
| Nowata Co Rwd #2 OK3005303 | 205 | 0 | 0 | 29 | 0 ppb |
| Nowata Co Rwd #5 OK3005307 | 70 | 0 | 0 | 16 | 6 ppb |
| Consolidated Rwd #1 Nowata and Rogers Co OK3005301 | 1,580 | 0 | 0 | 0 | 3.2 ppb |
ZIP reports in Nowata 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.