County · Iowa
Worth County, Iowa: drinking water records
This overview covers 7 ZIP codes and 7 community water systems in Worth 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 |
|---|---|---|---|---|---|
| Northwood Waterworks IA9855077 | 2,072 | 0 | 0 | 0 | 0 ppb |
| Manly Water Supply IA9845024 | 1,266 | 0 | 0 | 0 | 2 ppb |
| Fertile Municipal Water IA9820010 | 306 | 0 | 0 | 0 | 4 ppb |
| Kensett Water Supply IA9840018 | 257 | 0 | 0 | 0 | 0 ppb |
| Grafton Water Supply IA9825097 | 218 | 0 | 0 | 0 | 2 ppb |
| Joice Water Supply IA9835001 | 208 | 0 | 0 | 0 | 2 ppb |
| Hanlontown Water Supply System IA9830001 | 206 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Worth 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.