County · Michigan
Marquette County, Michigan: drinking water records
This overview covers 12 ZIP codes and 24 community water systems in Marquette 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 |
|---|---|---|---|---|---|
| Marquette MI0004120 | 20,629 | 120 | 0 | 1 | 2 ppb |
| Ishpeming MI0003440 | 6,470 | 60 | 0 | 0 | 3.4 ppb |
| Negaunee MI0004650 | 4,568 | 120 | 0 | 0 | 1.9 ppb |
| Marquette Township MI0004140 | 2,700 | 0 | 0 | 1 | 1.3 ppb |
| Richmond Township MI0005160 | 489 | 0 | 0 | 4 | 5 ppb |
| Silver Creek Estates Mobile Home Court MI0040519 | 260 | 0 | 0 | 1 | 15 ppb |
| Maple Lawn Village IN5252013 | 250 | 0 | 0 | 1 | 5.5 ppb |
| Forsyth Township MI0002370 | 2,479 | 0 | 0 | 0 | 2 ppb |
| Ishpeming TWP - West MI0003450 | 2,148 | 0 | 0 | 0 | 2.9 ppb |
| Negaunee Township MI0004655 | 961 | 0 | 0 | 0 | 6 ppb |
| Republic Township MI0005660 | 700 | 0 | 0 | 0 | 1.3 ppb |
| Tilden Township MI0004640 | 375 | 0 | 0 | 0 | 5.3 ppb |
| Ishpeming TWP - East MI0004775 | 305 | 0 | 0 | 0 | 2.2 ppb |
| Skandia-West Branch Water Dept MI0006075 | 275 | 0 | 0 | 0 | 0 ppb |
| Ely Township-Greenwood MI0002860 | 266 | 0 | 0 | 0 | 8 ppb |
| Ely Township-Diorite MI0001820 | 168 | 0 | 0 | 0 | 1.2 ppb |
| Chocolay Bungalows MI0001416 | 50 | 0 | 0 | 0 | 30 ppb |
| Pine Acres Mobile Home Park MI0040525 | 50 | 0 | 0 | 0 | 1 ppb |
| Heritage Drive Apartments MI0003118 | 41 | 0 | 0 | 0 | 2.7 ppb |
| Country Log Apts MI0001653 | 35 | 0 | 0 | 0 | 0 ppb |
| Negaunee/Ishpeming Water Authority MI0004653 | 0 | 0 | 0 | 0 | 3 ppb |
| K I Sawyer MI0003510 | 3,000 | 0 | 0 | 0 | not reported |
| Powell Township MI0000700 | 300 | 0 | 0 | 0 | not reported |
| Cherry Creek Village MI0001371 | 50 | 0 | 0 | 0 | not reported |
ZIP reports in Marquette 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: 49808, 49818, 49833, 49841, 49879, 49885.
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.