County · Oklahoma
Greer County, Oklahoma: drinking water records
This overview covers 3 ZIP codes and 7 community water systems in Greer 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 |
|---|---|---|---|---|---|
| Mangum PWS OK2002802 | 2,924 | 0 | 0 | 1 | 1.3 ppb |
| Granite PWS OK2002804 | 1,425 | 0 | 0 | 1 | 1.2 ppb |
| Reed Water Corp OK3002802 | 175 | 0 | 0 | 1 | 2.3 ppb |
| Willow OK2002801 | 114 | 0 | 0 | 1 | 0 ppb |
| Thirsty Water Corp OK2002806 | 81 | 0 | 0 | 32 | 0.9 ppb |
| Oklahoma State Reformatory OK2002803 | 999 | 0 | 0 | 0 | 0 ppb |
| Harmon Electric OK3002801 | 188 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Greer 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.