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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
501–525 of 667Otsego Township
MI0005065 · 1,133 served
Apple Carr Village
MI0040355 · 1,125 served
Egelcraft Mobile Home Park
MI0040600 · 1,125 served
Petersburg
MI0005290 · 1,115 served
Newberry Correctional Facility
MI0004730 · 1,108 served
Little Traverse Township
MI0003927 · 1,102 served
City of Harrison
MI0003030 · 1,100 served
Tyrone Woods
MI0040658 · 1,088 served
Village of Bellaire
MI0000570 · 1,086 served
City of Memphis
MI0004230 · 1,084 served
Reading
MI0005620 · 1,078 served
Village of Roscommon
MI0005810 · 1,075 served
Village of Millington
MI0004400 · 1,072 served
Village of Baldwin
MI0000350 · 1,060 served
Springrove Mhc
MI0040397 · 1,060 served
Meadow Lake Estates Mhc
MI0040612 · 1,060 served
Orion Lake Estates Mhc
MI0040399 · 1,058 served
Port Hope-gore-rubicon U. A.
MI0005475 · 1,058 served
Concord
MI0001580 · 1,050 served
Lawrence
MI0003820 · 1,045 served
Village of Dryden
MI0001870 · 1,034 served
Ridgewood Mobile Home Park Inc
MI0040671 · 1,030 served
Handy Township - Red Cedars Crossing
MI0002982 · 1,030 served
Village of Lexington
MI0003850 · 1,025 served
Village of North Branch
MI0004770 · 1,021 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