Michigan Drinking Water Compliance Records
1,377 water systems serving 7,418,920 people. 2,790 historical EPA violation records in the Q2 2026 snapshot.
TapScore Compliance-History Grades
A
1,186
86%
B
117
8%
C
57
4%
D
17
1%
F
0
0%
1,377
Water Systems
7,418,920
Population Served
2,790
Historical Records
256
Health-Based (All Years)
Systems With the Most Recent EPA Records
LAKE CITY, CITY OF
836 served56 historical records46 recent
C
ISLAND LAKE APARTMENTS
65 served75 historical records39 recent
D
KALEVA, VILLAGE OF
464 served39 historical records37 recent
C
HERITAGE DRIVE APARTMENTS
41 served30 historical records30 recent
C
ARGENTINE CARE CENTER
60 served42 historical records29 recent
D
CHATHAM
300 served32 historical records29 recent
C
MIDTOWN FLATS, LLC
218 served27 historical records26 recent
C
CHATEAUX DU LAC CONDOMINIUMS
80 served27 historical records25 recent
D
EMPIRE, VILLAGE OF
400 served34 historical records22 recent
C
SWIFT LAKE FARMS
60 served30 historical records21 recent
D
Large Systems With No Recent Records
DETROIT CITY OF
633,218 served0 historical records
A
GRAND RAPIDS
306,901 served0 historical records
A
LANSING BOARD OF WATER & LIGHT
166,000 served0 historical records
A
WARREN, CITY OF
134,056 served0 historical records
A
STERLING HEIGHTS, CITY OF
127,000 served0 historical records
A
ANN ARBOR
123,851 served12 historical records
A
DEARBORN
109,976 served1 historical record
A
CLINTON TOWNSHIP
100,513 served0 historical records
A
CANTON TOWNSHIP
99,627 served0 historical records
A
LIVONIA
96,942 served0 historical records
A
Largest Water Systems in Michigan
| Water System | Grade | Population | Historical Records |
|---|---|---|---|
| DETROIT CITY OF | A | 633,218 | 0 |
| GRAND RAPIDS | A | 306,901 | 0 |
| KALAMAZOO | B | 192,992 | 4 |
| LANSING BOARD OF WATER & LIGHT | A | 166,000 | 0 |
| WARREN, CITY OF | A | 134,056 | 0 |
| STERLING HEIGHTS, CITY OF | A | 127,000 | 0 |
| ANN ARBOR | A | 123,851 | 12 |
| DEARBORN | A | 109,976 | 1 |
| CLINTON TOWNSHIP | A | 100,513 | 0 |
| CANTON TOWNSHIP | A | 99,627 | 0 |
| LIVONIA | A | 96,942 | 0 |
| MACOMB TOWNSHIP | A | 90,000 | 0 |
| TROY | A | 85,854 | 0 |
| WESTLAND | A | 85,420 | 1 |
| FLINT, CITY OF | A | 81,252 | 1 |
| ROCHESTER HILLS | A | 74,000 | 0 |
| GENESEE COUNTY WATER SYSTEM | A | 73,726 | 0 |
| WATERFORD TOWNSHIP | C | 73,441 | 5 |
| WYOMING | A | 72,125 | 0 |
| SHELBY TOWNSHIP | A | 72,000 | 0 |
Contaminants in Michigan
Lead in MichiganArsenic in MichiganNitrate in MichiganFluoride in MichiganPFOS in MichiganPFOA in MichiganTHMs in MichiganHAA5 in Michigan
Cities in Michigan
DETROIT(2)GRAND RAPIDS(5)LANSING(14)KALAMAZOO(12)WATERFORD(19)FLINT(5)ANN ARBOR(10)HOLLAND(11)WARREN(1)STERLING HEIGHTS(1)SAGINAW(10)DEARBORN(1)MONROE(4)WAYNE(2)CLINTON TOWNSHIP(2)CANTON(2)LIVONIA(2)SOUTHFIELD(28)BAY CITY(19)MACOMB(1)TROY(5)WESTLAND(4)JACKSON(6)ROCHESTER HILLS(3)WYOMING(4)SHELBY TOWNSHIP(3)FARMINGTON HILLS(25)PONTIAC(1)TAYLOR(1)YPSILANTI(3)NOVI(9)ROYAL OAK(4)ST. CLAIR SHORES(1)DEARBORN HEIGHTS(1)WEST BLOOMFIELD(10)BATTLE CREEK(6)MIDLAND(6)REDFORD(1)ROSEVILLE(1)PORTAGE(3)EAST LANSING(6)MUSKEGON(4)CALEDONIA(5)BLOOMFIELD TOWNSHIP(1)CHESTERFIELD TOWNSHIP(1)JENISON(1)BELLEVILLE(3)PORT HURON(2)NORTHVILLE(4)LINCOLN PARK(1)BRIGHTON(16)BYRON CENTER(1)PLYMOUTH(2)KENTWOOD(2)TRAVERSE CITY(19)LAKE ORION(2)MT PLEASANT(6)ST. JOSEPH(2)BROWNSTOWN TWP(1)EASTPOINTE(1)SOUTHGATE(1)MADISON HEIGHTS(1)OAK PARK(1)GRAND BLANC(5)ADRIAN(12)HAMTRAMCK(1)ALLEN PARK(2)GARDEN CITY(1)VAN BUREN TOWNSHIP(1)OKEMOS(5)GRAND HAVEN(4)WYANDOTTE(1)INKSTER(1)HARRISON TOWNSHIP(1)NORTON SHORES(2)ROMULUS(1)MARQUETTE(5)AUBURN HILLS(2)FERNDALE(3)BIRMINGHAM(6)MOUNT PLEASANT(1)BURTON(1)COMMERCE TOWNSHIP(1)ALLENDALE(1)HARPER WOODS(2)TRENTON(1)OWOSSO(4)NEW BOSTON(1)MT CLEMENS(6)NILES(3)HAZEL PARK(1)MOUNT CLEMENS(1)ALPENA(6)WASHINGTON(3)GROSSE POINTE WOODS(1)GRANDVILLE(3)BENTON HARBOR(2)BERKLEY(1)SAULT STE. MARIE(1)CLARKSTON(6)