County · Kansas
Cowley County, Kansas: drinking water records
This overview covers 9 ZIP codes and 15 community water systems in Cowley 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 |
|---|---|---|---|---|---|
| Arkansas City, City of KS2003509 | 11,929 | 60 | 2 | 0 | 1.1 ppb |
| Winfield, City of KS2003513 | 11,726 | 120 | 0 | 0 | 3.2 ppb |
| Cowley Co Rwd 3 KS2003505 | 2,500 | 0 | 0 | 0 | 0 ppb |
| Cowley Co Rwd 5 KS2003508 | 2,000 | 0 | 0 | 0 | 2 ppb |
| Cowley Co Rwd 1 KS2003507 | 1,500 | 0 | 0 | 0 | 0 ppb |
| Cowley Co Rwd 6 KS2003506 | 792 | 0 | 0 | 0 | 1.6 ppb |
| Udall, City of KS2003510 | 658 | 0 | 0 | 0 | 1.8 ppb |
| Cowley Co Rwd 2 KS2003512 | 600 | 0 | 0 | 0 | 0 ppb |
| Burden, City of KS2003503 | 514 | 0 | 0 | 0 | 1.8 ppb |
| Cowley Co Rwd 4 KS2003511 | 500 | 0 | 0 | 0 | 1.1 ppb |
| Cowley Co Rwd 7 KS2003516 | 300 | 0 | 0 | 0 | 1.3 ppb |
| Dexter, City of KS2003501 | 226 | 0 | 0 | 0 | 1.8 ppb |
| Atlanta, City of KS2003502 | 169 | 0 | 0 | 0 | 2.2 ppb |
| Cambridge, City of KS2003504 | 92 | 0 | 0 | 0 | 0.9 ppb |
| Cowley Co Rwd 8 KS2003515 | 50 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Cowley 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.