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Michigan Water Quality
667
Utilities in database
7.3M
Residents served
42%
On private wells
2
Key contaminants tracked
Drinking Water in Michigan
Michigan has 667 community water systems serving approximately 7.3 million residents. Primary water sources include groundwater. The most commonly reported contaminants include lead, disinfection byproducts. 42% of Michigan residents rely on private wells. EGLE holds primary enforcement authority under the Safe Drinking Water Act.
Utilities in Michigan
626–650 of 667Nazarene Camp
MI0004647 · 648 served
Stonegate Mobile Home Community
MI0040199 · 647 served
Village of Maple Rapids
MI0004060 · 643 served
City of Mcbain
MI0004190 · 640 served
Laguna Vista Subdivision
MI0003690 · 640 served
Village of Peck
MI0005220 · 632 served
Mason Manor
MI0040197 · 630 served
Village of Port Sanilac
MI0005500 · 623 served
Big Creek/mentor Utility Authority
MI0000705 · 622 served
Dutch Hills
MI0040116 · 620 served
Village of Bancroft
MI0000370 · 616 served
Britton
MI0000890 · 611 served
Village of New Lothrop
MI0004700 · 610 served
Eau Claire
MI0002030 · 610 served
Woodland Center Correctional Facility
MI0006820 · 607 served
Addison
MI0000030 · 605 served
Muir
MI0004550 · 604 served
Twin Lakes Subdivision
MI0006696 · 602 served
Glenwood Estates
MI0040566 · 585 served
Mackinac Island
MI0003970 · 583 served
Village of Byron
MI0001020 · 581 served
Stambaugh Township-west Brule
MI0006090 · 580 served
Algoma Estates
MI0040259 · 580 served
Watersmeet Township
MI0006920 · 575 served
Village of Metamora
MI0004312 · 565 served
Key Contaminant Concerns in Michigan
Lead
Lead is a naturally occurring heavy metal that was widely used in plumbing infrastructure until it was banned for new installations in 1986. An estimated 9.2 million lead service lines still connect homes to public water mains across the United States, along with millions of homes with lead solder in their internal plumbing.
DBPs
When utilities add chlorine to water to kill pathogens, it reacts with dissolved organic matter — leaves, algae, soil — to produce disinfection byproducts (DBPs). Over 600 DBPs have been identified. The EPA regulates two groups: total trihalomethanes (TTHMs, including chloroform) and haloacetic acids (HAA5). DBP levels tend to be highest in surface water systems and in warm months when organic matter is elevated.
Michigan Water FAQs
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Data source: Utility data from EPA SDWIS. 667 active community water systems ingested. CCR contaminant data ingestion in progress.
Last updated: 2026-04-17