County · Michigan
Lake County, Michigan: drinking water records
This overview covers 6 ZIP codes and 12 community water systems in Lake County. It also stands in for 6 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 |
|---|---|---|---|---|---|
| St. Lucie Mobile Village FL4431379 | 750 | 60 | 1 | 1 | 0.4 ppb |
| Green Acres Mobile Home Park IN5243006 | 500 | 0 | 0 | 1 | 0 ppb |
| Lake Estates Manufactured Home Community IN5243010 | 192 | 0 | 0 | 2 | 0 ppb |
| Cozy Oaks MHP PA6430070 | 65 | 0 | 0 | 4 | 2 ppb |
| Baldwin, Village of MI0000350 | 1,060 | 0 | 0 | 0 | 3.1 ppb |
| Neighbors of Timbercreek IN5243007 | 110 | 0 | 0 | 0 | 0.1 ppb |
| Lakeland Village 1 WI7440117 | 81 | 0 | 0 | 0 | 0.3 ppb |
| Duvernay Park Apartments MI0001915 | 68 | 0 | 0 | 0 | 0 ppb |
| Ponderosa Estates IN5243052 | 55 | 0 | 0 | 0 | 0 ppb |
| Lakeland Village 2 WI7440087 | 49 | 0 | 0 | 0 | 0.2 ppb |
| Clean Water Association, INC. MI0006901 | 22 | 0 | 0 | 0 | 0 ppb |
| Idlewild Garden Housing MI0007233 | 27 | 0 | 0 | 0 | not reported |
ZIP reports in Lake 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: 49304, 49402, 49623, 49642, 49644, 49656.
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.