County · Michigan
Iosco County, Michigan: drinking water records
This overview covers 7 ZIP codes and 14 community water systems in Iosco 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 |
|---|---|---|---|---|---|
| Oscoda Township MI0005040 | 6,997 | 120 | 0 | 0 | 3 ppb |
| Sunlake Estates FL3351555 | 751 | 0 | 0 | 1 | 0.9 ppb |
| Hale Homestead Apartments MI0002943 | 72 | 0 | 0 | 3 | 31 ppb |
| Northern Pines MI0040212 | 13 | 0 | 0 | 1 | 18 ppb |
| East Tawas, City of MI0002010 | 2,663 | 0 | 0 | 0 | 1 ppb |
| Au Sable Township MI0000290 | 2,370 | 0 | 0 | 0 | 2 ppb |
| Tawas City, City of MI0006540 | 1,834 | 0 | 0 | 0 | 4 ppb |
| Water Oak Country Club Estates FL3354010 | 1,465 | 0 | 0 | 0 | 0 ppb |
| Baldwin Township MI0000355 | 650 | 0 | 0 | 0 | 1 ppb |
| The Woodlands at Church Lake FL3351563 | 286 | 0 | 0 | 0 | 0.4 ppb |
| Alabaster Township MI0000082 | 86 | 0 | 0 | 0 | 1.7 ppb |
| Hale Creek Manor MI0062942 | 43 | 0 | 0 | 0 | 0 ppb |
| Whittemore Square Apartments MI0007104 | 30 | 0 | 0 | 0 | 0 ppb |
| Huron Shore Regional Utility Authority MI0003319 | 1 | 0 | 0 | 0 | not reported |
ZIP reports in Iosco 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: 48730, 48743, 48748, 48770.
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.