County · Michigan
Eaton County, Michigan: drinking water records
This overview covers 11 ZIP codes and 17 community water systems in Eaton County. It also stands in for 4 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 |
|---|---|---|---|---|---|
| Charter Township of Delta MI0001790 | 21,856 | 60 | 0 | 0 | 1.2 ppb |
| Charlotte, City of MI0001340 | 9,074 | 60 | 2 | 0 | 0 ppb |
| Grand Ledge, City of MI0002770 | 8,701 | 120 | 0 | 0 | 1 ppb |
| Eaton Rapids, City of MI0002020 | 5,340 | 60 | 0 | 0 | 4 ppb |
| Windsor Estates MI0040124 | 718 | 0 | 0 | 1 | 2 ppb |
| Grand Pointe Subdivision MI0002785 | 219 | 0 | 0 | 1 | 34 ppb |
| Blue Water Village Well Site, LLC MI0000795 | 114 | 0 | 0 | 2 | 1 ppb |
| Colonial Mill Estates Mobile Home Park MD0220223 | 86 | 0 | 0 | 1 | 1.7 ppb |
| Misty Cove Senior Apartments MI0004428 | 66 | 0 | 0 | 1 | 0 ppb |
| Potterville, City of MI0005550 | 2,617 | 0 | 0 | 0 | 2 ppb |
| Olivet, City of MI0004990 | 1,758 | 0 | 0 | 0 | 1 ppb |
| Bellevue, Village of MI0000590 | 1,282 | 0 | 0 | 0 | 6 ppb |
| Vermontville, Village of MI0006790 | 780 | 0 | 0 | 0 | 1 ppb |
| Sunfield, Village of MI0006470 | 680 | 0 | 0 | 0 | 2 ppb |
| Eaton Green Estates Subdivision MI0002025 | 363 | 0 | 0 | 0 | 1 ppb |
| Dimondale Health Care Center MI0063477 | 177 | 0 | 0 | 0 | 3 ppb |
| Hi-Way Mobile Haven MI0040122 | 168 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Eaton 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: 48861, 48876, 48890, 49021.
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.