County · Iowa
Dallas County, Iowa: drinking water records
This overview covers 13 ZIP codes and 20 community water systems in Dallas 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 |
|---|---|---|---|---|---|
| West Des Moines Water Works IA7785007 | 73,959 | 180 | 0 | 0 | 0 ppb |
| Waukee Water Supply IA2573080 | 31,823 | 120 | 0 | 0 | 0 ppb |
| Xenia Rwd (Des Moines) IA2573701 | 12,860 | 120 | 0 | 0 | 1.4 ppb |
| Perry Municipal Water Works IA2561036 | 7,836 | 60 | 0 | 0 | 1 ppb |
| Adel Municipal Water Works IA2503003 | 6,461 | 60 | 0 | 0 | 0 ppb |
| Xenia Rwd (Woodward) IA2576705 | 3,465 | 180 | 0 | 0 | 0.7 ppb |
| Woodward Water Supply IA2576036 | 1,346 | 0 | 0 | 2 | 4 ppb |
| Dawson Water Works IA2525010 | 116 | 0 | 0 | 4 | 0 ppb |
| Dallas Center Water Supply IA2520098 | 1,901 | 0 | 0 | 0 | 0 ppb |
| Granger Muni Water Supply IA2537001 | 1,654 | 0 | 0 | 0 | 0 ppb |
| Van Meter Municipal Water Work IA2570046 | 1,074 | 0 | 0 | 0 | 0 ppb |
| De Soto Water Supply IA2529035 | 960 | 0 | 0 | 0 | 0.5 ppb |
| Midwest Country Estates IA2573301 | 820 | 0 | 0 | 0 | 0 ppb |
| Redfield Water Works IA2564074 | 746 | 0 | 0 | 0 | 0 ppb |
| Dexter Water Supply IA2533038 | 693 | 0 | 0 | 0 | 0 ppb |
| Minburn Waterworks IA2547085 | 325 | 0 | 0 | 0 | 2 ppb |
| Dmww-Greenbrier Estates IA7709801 | 300 | 0 | 0 | 0 | 0 ppb |
| River Oaks Development IA2570302 | 215 | 0 | 0 | 0 | 0.8 ppb |
| Wildwood Water Corporation IA2570301 | 170 | 0 | 0 | 0 | 0 ppb |
| Deer Hunters Run IA2570304 | 78 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Dallas 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.