EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

STATE / TERRITORY LEDGER

Michigan drinking water system records

EPA compliance fields for active community water systems reporting at least 2,500 people served.

Systems342active CWS · pop. 2,500+
Population served6,921,991reported total; may overlap
Current violation flag6.7%23 systems
Serious-violator flag0.3%1 systems

01 / LARGEST SYSTEMS

Community water systems in Michigan

Population served is a system-reported service figure. It is not a count of unique state residents.

Water systemPopulation servedPrimary sourceCurrent export status
Detroit City OfMI0001800633,218Surface water purchasedNo current violation flagged
Grand RapidsMI0002790306,901Surface waterNo current violation flagged
KalamazooMI0003520192,992Ground waterCurrent monitoring/reporting flag
Lansing Board Of Water & LightMI0003760166,000Ground waterNo current violation flagged
Warren, City OfMI0006900134,056Surface water purchasedNo current violation flagged
Sterling Heights, City OfMI0006385127,000Surface water purchasedNo current violation flagged
Ann ArborMI0000220123,851Surface waterNo current violation flagged
DearbornMI0001730109,976Surface water purchasedNo current violation flagged
Clinton TownshipMI0001480100,513Surface water purchasedNo current violation flagged
Canton TownshipMI000110099,627Surface waterNo current violation flagged
LivoniaMI000393096,942Surface water purchasedNo current violation flagged
Macomb TownshipMI000399090,000Surface water purchasedNo current violation flagged
TroyMI000669085,854Surface water purchasedNo current violation flagged
WestlandMI000704085,420Surface water purchasedNo current violation flagged
Flint, City OfMI000231081,252Surface water purchasedNo current violation flagged
Rochester HillsMI000032574,000Surface water purchasedNo current violation flagged
Genesee County Water SystemMI000261573,726Surface water purchasedNo current violation flagged
Waterford TownshipMI000691073,441Ground waterNo current violation flagged
WyomingMI000722072,125Surface waterNo current violation flagged
Shelby TownshipMI000601072,000Surface water purchasedNo current violation flagged
SouthfieldMI000616071,739Surface water purchasedNo current violation flagged
PontiacMI000544063,776Surface water purchasedNo current violation flagged
TaylorMI000654563,409Surface water purchasedNo current violation flagged
St. Clair Shores, City OfMI000628059,715Surface water purchasedNo current violation flagged
Dearborn HeightsMI000174057,774Surface water purchasedCurrent health-based flag
Royal Oak, City OfMI000583057,236Surface water purchasedNo current violation flagged
Farmington Hills, City OfMI000224056,984Surface water purchasedNo current violation flagged
Novi, City OfMI000487056,780Surface water purchasedNo current violation flagged
Ypsilanti Community Utility AuthorityMI000726053,988Surface water purchasedNo current violation flagged
Holland Board Of Public WorksMI000319049,687Surface waterNo current violation flagged
Redford TownshipMI000564049,504Surface water purchasedNo current violation flagged
West Bloomfield TownshipMI000697549,479Surface water purchasedNo current violation flagged
MonroeMI000445049,467Surface waterNo current violation flagged
Roseville, City OfMI000582047,299Surface water purchasedNo current violation flagged
PortageMI000552046,292Ground waterNo current violation flagged
Saginaw, City OfMI000585044,058Surface water purchasedNo current violation flagged
Battle Creek - Verona SystemMI000045043,975Ground waterNo current violation flagged
Midland, City OfMI000437042,547Surface water purchasedNo current violation flagged
Plainfield TownshipMI000537042,271Groundwater under influence of surface waterNo current violation flagged
Bloomfield TownshipMI000079041,691Surface water purchasedNo current violation flagged
Chesterfield TownshipMI000139041,650Surface water purchasedNo current violation flagged
Georgetown TownshipMI000262041,086Surface water purchasedNo current violation flagged
Saginaw Charter TownshipMI000586040,840Surface water purchasedNo current violation flagged
Lincoln ParkMI000387038,144Surface water purchasedCurrent monitoring/reporting flag
Byron-Gaines Utility AuthorityMI000102337,464Surface water purchasedNo current violation flagged
MuskegonMI000457037,213Surface waterNo current violation flagged
KentwoodMI000362036,072Surface water purchasedNo current violation flagged
Monroe South CountyMI000445533,816Surface water purchasedNo current violation flagged
Brownstown TownshipMI000094033,194Surface water purchasedNo current violation flagged
JacksonMI000347033,165Groundwater under influence of surface waterNo current violation flagged
East Lansing, City OfMI000199033,000Ground water purchasedNo current violation flagged
Orion TownshipMI000503533,000Surface water purchasedNo current violation flagged
Eastpointe, City OfMI000195032,442Surface water purchasedNo current violation flagged
Bay City, City OfMI000047032,255Surface water purchasedNo current violation flagged
Northville TownshipMI000484532,103Surface water purchasedNo current violation flagged
SouthgateMI000617030,047Surface water purchasedNo current violation flagged
Madison HeightsMI000400029,694Surface water purchasedNo current violation flagged
Oak ParkMI000488029,654Surface water purchasedNo current violation flagged
Port Huron, City OfMI000548028,983Surface waterNo current violation flagged
HamtramckMI000297028,433Surface water purchasedCurrent monitoring/reporting flag
Allen ParkMI000013028,210Surface water purchasedNo current violation flagged
Garden CityMI000255027,625Surface water purchasedNo current violation flagged
Plymouth TownshipMI000542027,524Surface water purchasedNo current violation flagged
Van Buren TownshipMI000677027,359Surface water purchasedNo current violation flagged
Southwest Michigan Regional Sanitary SewMI000372626,780Surface water purchasedCurrent monitoring/reporting flag
Holland Township ConsolidatedMI000319526,100Surface water purchasedNo current violation flagged
WyandotteMI000721025,883Surface waterNo current violation flagged
Meridian TownshipMI000426025,600Ground water purchasedNo current violation flagged
Summit TownshipMI000645025,355Ground waterNo current violation flagged
InksterMI000336025,076Surface water purchasedNo current violation flagged
Pittsfield TownshipMI000536024,500Surface water purchasedNo current violation flagged
Harrison TownshipMI000304024,314Surface water purchasedNo current violation flagged
Norton ShoresMI000485023,994Surface water purchasedNo current violation flagged
RomulusMI000578523,989Surface water purchasedNo current violation flagged
AdrianMI000004023,663Surface waterNo current violation flagged
FerndaleMI000228022,105Surface water purchasedNo current violation flagged
Charter Township Of DeltaMI000179021,856Ground water purchasedNo current violation flagged
Mount PleasantMI000453021,688Surface waterNo current violation flagged
Frenchtown TownshipMI000250021,609Surface waterNo current violation flagged
Auburn HillsMI000545021,412Surface water purchasedNo current violation flagged
Blackman TownshipMI000074021,222Purchased ground water under influence of surface water sourceNo current violation flagged
Burton, City OfMI000101021,000Surface water purchasedNo current violation flagged
Charter Township Of Grand BlancMI000274521,000Surface water purchasedNo current violation flagged
MarquetteMI000412020,629Surface waterNo current violation flagged
BirminghamMI000073020,472Surface water purchasedNo current violation flagged
Commerce TownshipMI000157319,811Surface water purchasedNo current violation flagged
Allendale TownshipMI000012719,725Surface water purchasedNo current violation flagged
TrentonMI000665018,544Surface water purchasedNo current violation flagged
WayneMI000695017,713Surface water purchasedNo current violation flagged
Mhog Sewer & Water AuthorityMI000409817,046Ground waterNo current violation flagged
Huron TwpMI000332016,944Surface water purchasedNo current violation flagged
Hazel ParkMI000310016,400Surface water purchasedNo current violation flagged
Owosso, City OfMI000512016,353Surface waterNo current violation flagged
Mount Clemens, City OfMI000451016,314Surface waterNo current violation flagged
Grosse Pointe WoodsMI000292016,135Surface water purchasedNo current violation flagged
GrandvilleMI000282015,948Surface water purchasedNo current violation flagged
Washington TownshipMI000690515,828Surface water purchasedNo current violation flagged
Grand Haven TownshipMI000276015,051Surface water purchasedNo current violation flagged
BerkleyMI000063014,970Surface water purchasedNo current violation flagged
Sault Ste MarieMI000595014,689Surface waterNo current violation flagged

Showing the 100 largest systems by reported population served.

02 / CITY REPORTS

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03 / COUNTY REPORTS

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