County · Iowa
Clinton County, Iowa: drinking water records
This overview covers 15 ZIP codes and 16 community water systems in Clinton County. It also stands in for 2 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 |
|---|---|---|---|---|---|
| Iowa-American Wtr Co-Clinton District IA2326048 | 24,769 | 240 | 5 | 0 | 2 ppb |
| De Witt Water Supply IA2330036 | 5,514 | 180 | 0 | 0 | 3.4 ppb |
| Camanche Water Supply IA2322066 | 4,570 | 60 | 0 | 0 | 2 ppb |
| Wheatland City Water Supply IA2394017 | 775 | 0 | 0 | 2 | 3.2 ppb |
| Delmar Water Supply IA2328024 | 542 | 0 | 0 | 1 | 2 ppb |
| Welton Water Supply IA2391001 | 121 | 0 | 0 | 1 | 2 ppb |
| Grand Mound Water Supply IA2341099 | 615 | 0 | 0 | 0 | 0 ppb |
| Lost Nation Water Supply IA2346047 | 434 | 0 | 0 | 0 | 5 ppb |
| Charlotte Water Works IA2324016 | 401 | 0 | 0 | 0 | 0 ppb |
| Calamus Water Supply IA2320062 | 356 | 0 | 0 | 0 | 0 ppb |
| Iowa-American Water (Low Moor) IA2348002 | 250 | 0 | 0 | 0 | 1.6 ppb |
| Goose Lake Muni Water System IA2339094 | 239 | 0 | 0 | 0 | 0 ppb |
| Winding Brook Mobile Home Park IA2300607 | 150 | 0 | 0 | 0 | 0 ppb |
| Andover Water Supply IA2307001 | 109 | 0 | 0 | 0 | 0 ppb |
| Brookhill Estates IA2330301 | 41 | 0 | 0 | 0 | 3 ppb |
| Cardinal Valley Estates 3rd Addition IA2330303 | 25 | 0 | 0 | 0 | 0.8 ppb |
ZIP reports in Clinton County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 52727, 52771.
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.