Michigan Water Quality

1,381 water systems serving 7,509,650 people. 14,642 total violations on record.

Safety Grade Distribution

A

531

38%

B

213

15%

C

536

39%

D

71

5%

F

30

2%

1,381

Water Systems

7,509,650

Population Served

14,642

Total Violations

1,050

Health-Based

Largest Water Systems in Michigan

Water SystemGradePopulationViolations
DETROIT CITY OF
A
633,2183
GRAND RAPIDS
A
273,0050
ANN ARBOR
A
241,8682
KALAMAZOO
C
192,99213
LANSING BOARD OF WATER & LIGHT
A
166,0004
WARREN, CITY OF
A
134,0565
STERLING HEIGHTS, CITY OF
A
127,0001
DEARBORN
A
109,9761
CLINTON TOWNSHIP
C
100,51312
CANTON TOWNSHIP
A
99,6272
LIVONIA
A
96,9426
MACOMB TOWNSHIP
C
90,0006
TROY
A
85,8540
WESTLAND
C
84,09411
FLINT, CITY OF
C
81,2528
ROCHESTER HILLS
A
74,0001
GENESEE COUNTY WATER SYSTEM
C
73,72611
WATERFORD TOWNSHIP
D
73,44110
WYOMING
B
72,1253
SHELBY TOWNSHIP
A
72,0005

Contaminants in Michigan

Cities in Michigan