County · Wisconsin
Chippewa County, Wisconsin: drinking water records
This overview covers 9 ZIP codes and 11 community water systems in Chippewa 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 |
|---|---|---|---|---|---|
| Lake Hallie Waterworks Village of WI6090849 | 6,701 | 240 | 0 | 1 | 1.2 ppb |
| Bloomer Waterworks WI6090448 | 3,680 | 210 | 0 | 1 | 0 ppb |
| Stanley Waterworks WI6090462 | 3,500 | 180 | 0 | 1 | 2 ppb |
| Chippewa Falls Waterworks WI6090456 | 13,375 | 120 | 1 | 0 | 2.2 ppb |
| Hoffmanns Wissota Court WI6090459 | 126 | 0 | 0 | 1 | 0.3 ppb |
| Cornell Waterworks WI6090458 | 1,390 | 0 | 0 | 0 | 2.3 ppb |
| Cadott Waterworks WI6090450 | 1,352 | 0 | 0 | 0 | 1.2 ppb |
| New Auburn Waterworks WI6090461 | 549 | 0 | 0 | 0 | 0 ppb |
| Boyd Waterworks WI6090449 | 540 | 0 | 0 | 0 | 1.6 ppb |
| Lafayette Court WI6090454 | 78 | 0 | 0 | 0 | 2 ppb |
| Duncan Prairie MHC WI6090445 | 64 | 0 | 0 | 0 | 2.7 ppb |
ZIP reports in Chippewa 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: 54745, 54748.
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.