County · Kansas
Marshall County, Kansas: drinking water records
This overview covers 11 ZIP codes and 10 community water systems in Marshall 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 |
|---|---|---|---|---|---|
| Waterville, City of KS2011703 | 656 | 0 | 0 | 5 | 0 ppb |
| Axtell, City of KS2011711 | 398 | 0 | 0 | 1 | 5.4 ppb |
| Oketo, City of KS2011704 | 65 | 0 | 0 | 5 | 0.6 ppb |
| Marysville, City of KS2011706 | 3,417 | 0 | 0 | 0 | 2.5 ppb |
| Marshall Co Rwd 3 KS2011713 | 1,388 | 0 | 0 | 0 | 4.2 ppb |
| Blue Rapids, City of KS2011710 | 921 | 0 | 0 | 0 | 2.6 ppb |
| Frankfort, City of KS2011708 | 717 | 0 | 0 | 0 | 9.4 ppb |
| Beattie, City of KS2011712 | 199 | 0 | 0 | 0 | 1.2 ppb |
| Summerfield, City of KS2011702 | 126 | 0 | 0 | 0 | 0.8 ppb |
| Vermillion, City of KS2011701 | 78 | 0 | 0 | 0 | 4.1 ppb |
ZIP reports in Marshall 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.