County · Kansas
Pottawatomie County, Kansas: drinking water records
This overview covers 9 ZIP codes and 16 community water systems in Pottawatomie 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 |
|---|---|---|---|---|---|
| Pottawatomie Co Rwd 1 KS2014912 | 7,535 | 180 | 0 | 0 | 1.8 ppb |
| Wamego, City of KS2014908 | 4,860 | 300 | 1 | 0 | 0 ppb |
| Pottawatomie Co Rwd 4 KS2014922 | 1,125 | 0 | 0 | 1 | 0 ppb |
| St George, City of KS2014917 | 998 | 0 | 0 | 11 | 0 ppb |
| Pottawatomie Co Rwd 2 KS2014906 | 865 | 0 | 0 | 1 | 2.2 ppb |
| St Marys, City of KS2014914 | 2,781 | 0 | 0 | 0 | 0 ppb |
| Pottawatomie Co Rwd 3 KS2014904 | 1,455 | 0 | 0 | 0 | 0 ppb |
| Timber Creek East Water District KS2014910 | 850 | 0 | 0 | 0 | 1.4 ppb |
| Westmoreland, City of KS2014909 | 716 | 0 | 0 | 0 | 0 ppb |
| Onaga, City of KS2014905 | 671 | 0 | 0 | 0 | 0 ppb |
| Olsburg, City of KS2014907 | 221 | 0 | 0 | 0 | 3.4 ppb |
| Walnut Grove MHC Brooks KS2014916 | 203 | 0 | 0 | 0 | 0.6 ppb |
| Belvue, City of KS2014902 | 190 | 0 | 0 | 0 | 0.7 ppb |
| Emmett, City of KS2014901 | 170 | 0 | 0 | 0 | 1.7 ppb |
| Havensville, City of KS2014903 | 125 | 0 | 0 | 0 | 0.5 ppb |
| Rocky Ford Mobile Home Court KS2014918 | 120 | 0 | 0 | 0 | 1.3 ppb |
ZIP reports in Pottawatomie 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.