County · Kansas
Butler County, Kansas: drinking water records
This overview covers 16 ZIP codes and 21 community water systems in Butler 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 |
|---|---|---|---|---|---|
| El Dorado, City of KS2001511 | 12,810 | 120 | 0 | 4 | 4.6 ppb |
| Augusta, City of KS2001503 | 9,267 | 120 | 0 | 0 | 7.6 ppb |
| Butler Co Rwd 5 KS2001526 | 6,457 | 240 | 0 | 0 | 1.9 ppb |
| Rose Hill, City of KS2001520 | 4,269 | 120 | 0 | 0 | 1.6 ppb |
| Douglass, City of KS2001510 | 1,551 | 0 | 0 | 1 | 6.1 ppb |
| Butler Co Rwd 2 KS2001505 | 1,534 | 0 | 0 | 6 | 1.2 ppb |
| Butler Co Rwd 7 KS2001531 | 1,455 | 0 | 0 | 4 | 1.4 ppb |
| Towanda, City of KS2001524 | 1,445 | 0 | 0 | 1 | 3.1 ppb |
| Potwin, City of KS2001518 | 424 | 0 | 0 | 6 | 2.5 ppb |
| Cassoday, City of KS2001501 | 111 | 0 | 0 | 8 | 1.8 ppb |
| Latham, City of KS2001517 | 101 | 0 | 0 | 4 | 0 ppb |
| Simmons Subdivision Sanitation System KS2001519 | 75 | 0 | 0 | 9 | 2.5 ppb |
| Butler Co Rwd 6 KS2001530 | 2,655 | 0 | 0 | 0 | 4.5 ppb |
| Butler Co Rwd 4 KS2001506 | 1,565 | 0 | 0 | 0 | 0 ppb |
| Butler Co Rwd 3 KS2001513 | 1,494 | 0 | 0 | 0 | 1.1 ppb |
| Benton, City of KS2001507 | 946 | 0 | 0 | 0 | 0 ppb |
| Butler Co Rwd 1 KS2001514 | 782 | 0 | 0 | 0 | 0 ppb |
| Leon, City of KS2001515 | 667 | 0 | 0 | 0 | 1.1 ppb |
| Whitewater, City of KS2001523 | 666 | 0 | 0 | 0 | 0 ppb |
| Elbing, City of KS2001512 | 225 | 0 | 0 | 0 | 0 ppb |
| Public Wholesale WSD 8 KS2001532 | 1 | 0 | 0 | 0 | 6.2 ppb |
ZIP reports in Butler 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.