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Michigan Water Quality
10,959 public water systems serving 9,098,093 people.
Water Systems
10,959
Total Violations
255,201
Violation Rate
86.1%
PFAS Detection
27.4%
87 of 318 tested
Largest Water Systems
DETROIT CITY OF
DETROIT, MI · 633,218 served
GRAND RAPIDS
GRAND RAPIDS, MI · 273,005 served
ANN ARBOR
ANN ARBOR, MI · 241,868 served
KALAMAZOO
KALAMAZOO, MI · 192,992 served
LANSING BOARD OF WATER & LIGHT
LANSING, MI · 166,000 served
WARREN, CITY OF
WARREN, MI · 134,056 served
STERLING HEIGHTS, CITY OF
STERLING HEIGHTS, MI · 127,000 served
DEARBORN
DEARBORN, MI · 109,976 served
CLINTON TOWNSHIP
CLINTON TOWNSHIP, MI · 100,513 served
CANTON TOWNSHIP
CANTON, MI · 99,627 served
LIVONIA
LIVONIA, MI · 96,942 served
MACOMB TOWNSHIP
MACOMB, MI · 90,000 served
TROY
TROY, MI · 85,854 served
WESTLAND
WESTLAND, MI · 84,094 served
FLINT, CITY OF
FLINT, MI · 81,252 served
ROCHESTER HILLS
ROCHESTER HILLS, MI · 74,000 served
GENESEE COUNTY WATER SYSTEM
FLINT, MI · 73,726 served
WATERFORD TOWNSHIP
WATERFORD, MI · 73,441 served
WYOMING
HOLLAND, MI · 72,125 served
SHELBY TOWNSHIP
SHELBY TOWNSHIP, MI · 72,000 served
Most Violations
#1 COUNTRY SCHOOLHOUSE DAY CARE (DANFORTH) ESCANABA
1,313 #2 BENTON HARBOR BENTON HARBOR
843 #3 GREEN BROOK ESTATES FOWLERVILLE
768 #4 BECK VILLAGE PLAZA LLC WHITE LAKE
620 #5 DEERFIELD DEERFIELD
600 #6 FREEPORT FREEPORT
566 #7 NORTH DICKINSON SCHOOL FELCH
482 #8 OAK SHORE COMMONS (K-MART BUILDING) EAST LANSING
473 #9 BARK RIVER-HARRIS SCHOOLS HARRIS
444 #10 HARTMAN HILLS MARKETPLACE TRAVERSE CITY
440 #11 LEARNING RAINBOW PRESCHOOL COMMERCE TWP
427 #12 HONEE BEAR CANNING LAWTON
421 #13 42ND STREET PLAZA TRAVERSE CITY
397 #14 LYON GEAR & MACHINE - PLANT 2 ROCHESTER
386 #15 WHITE PINES MOBILE HOME PARK DOWAGIAC
370 Counties in Michigan
Wayne
55 systems · 1,774,820 served
· 1,141 violations
Oakland
742 systems · 1,147,613 served
· 21,952 violations
Macomb
93 systems · 830,956 served
· 2,728 violations
Kent
407 systems · 616,574 served
· 4,140 violations
Washtenaw
264 systems · 420,450 served
· 6,092 violations
Genesee
397 systems · 335,433 served
· 13,553 violations
Kalamazoo
195 systems · 286,536 served
· 2,453 violations
Ingham
109 systems · 279,137 served
· 3,710 violations
Ottawa
233 systems · 246,531 served
· 3,476 violations
Saginaw
61 systems · 170,110 served
· 1,094 violations
Muskegon
217 systems · 151,467 served
· 2,897 violations
Jackson
230 systems · 137,611 served
· 3,320 violations
Monroe
82 systems · 136,030 served
· 1,845 violations
Livingston
431 systems · 135,167 served
· 6,236 violations
Berrien
210 systems · 133,064 served
· 4,797 violations
St. Clair
104 systems · 131,964 served
· 2,483 violations
Allegan
318 systems · 110,806 served
· 5,441 violations
Bay
29 systems · 99,076 served
· 248 violations
Calhoun
148 systems · 94,845 served
· 3,433 violations
Lenawee
193 systems · 81,303 served
· 4,463 violations
Eaton
105 systems · 68,299 served
· 3,144 violations
Midland
34 systems · 67,083 served
· 402 violations
Grand Traverse
180 systems · 57,994 served
· 8,262 violations
Van Buren
185 systems · 57,921 served
· 4,250 violations
Roscommon
231 systems · 57,124 served
· 6,018 violations
Marquette
95 systems · 57,092 served
· 2,172 violations
St. Joseph
135 systems · 49,903 served
· 3,930 violations
Lapeer
244 systems · 49,673 served
· 6,205 violations
Montcalm
162 systems · 49,446 served
· 6,429 violations
Isabella
90 systems · 49,206 served
· 2,991 violations
Showing top 30 of 83 counties.