County · Michigan
Hillsdale County, Michigan: drinking water records
This overview covers 14 ZIP codes and 14 community water systems in Hillsdale County. It also stands in for 12 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 |
|---|---|---|---|---|---|
| Hillsdale MI0003170 | 8,163 | 60 | 0 | 2 | 2 ppb |
| State Road Country Living MHC MI0040181 | 73 | 0 | 0 | 1 | 1 ppb |
| Creekside MHC MI0040183 | 70 | 0 | 0 | 1 | 0 ppb |
| Country Living Adult Foster Care MI0001648 | 56 | 0 | 0 | 1 | 2 ppb |
| Jonesville MI0003490 | 2,258 | 0 | 0 | 0 | 3 ppb |
| Litchfield MI0003920 | 1,310 | 0 | 0 | 0 | 0 ppb |
| Reading MI0005620 | 1,078 | 0 | 0 | 0 | 2.5 ppb |
| Waldron MI0006850 | 538 | 0 | 0 | 0 | 0 ppb |
| Camden MI0001050 | 512 | 0 | 0 | 0 | 1 ppb |
| Wheatland Estates WI2300156 | 450 | 0 | 0 | 0 | 0 ppb |
| Somerset Centre Estates MI0040184 | 368 | 0 | 0 | 0 | 0 ppb |
| Hillside Acres MI0040180 | 48 | 0 | 0 | 0 | 3 ppb |
| Woods of Lochaven MI0007186 | 15 | 0 | 0 | 0 | 0 ppb |
| Michindoh Conference Center MI0004353 | 779 | 0 | 0 | 0 | not reported |
ZIP reports in Hillsdale 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: 49227, 49232, 49233, 49249, 49250, 49252, 49258, 49262, 49271, 49274, 49282, 49288.
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.