Minnesota Tap Water Quality
Explore tap water quality data for counties across Minnesota. View water system reports, track violations, monitor drinking water safety, and check fluoridation status in your community.
Total Counties
87
Communities with public water systems
Total Population
4,623,332
Residents served by public water systems
Water Systems
964
Public water systems statewide
Serious Violators
1
Systems with serious violations
Counties
87
With water systems
Population
4,623,332
Served by water systems
Water Systems
964
Total water systems
Violators
1
Systems with serious violations
Searching by your address yields the most accurate results. Searching by town or water system may not show all systems due to how the EPA categorizes data. Some towns may be listed under counties, and water system boundaries don't always align with town boundaries.
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Minnesota Counties
Aitkin
Population: 3,428
Water Systems: 6
Anoka
Population: 290,259
Water Systems: 31
Becker
Population: 13,482
Water Systems: 10
Beltrami
Population: 17,273
Water Systems: 18
Benton
Population: 18,418
Water Systems: 8
Big Stone
Population: 3,573
Water Systems: 9
Blue Earth
Population: 54,294
Water Systems: 17
Brown
Population: 20,725
Water Systems: 8
Carlton
Population: 19,083
Water Systems: 10
Carver
Population: 94,962
Water Systems: 12
Cass
Population: 4,268
Water Systems: 11
Chippewa
Population: 7,708
Water Systems: 5
Chisago
Population: 28,545
Water Systems: 19
Clay
Population: 57,910
Water Systems: 13
Clearwater
Population: 2,036
Water Systems: 3
Cook
Population: 1,404
Water Systems: 2
Cottonwood
Population: 14,114
Water Systems: 9
Crow Wing
Population: 30,051
Water Systems: 24
Dakota
Population: 382,332
Water Systems: 20
Dodge
Population: 13,791
Water Systems: 6
Douglas
Population: 19,317
Water Systems: 11
Faribault
Population: 9,814
Water Systems: 12
Fillmore
Population: 13,281
Water Systems: 14
Freeborn
Population: 23,039
Water Systems: 15
Goodhue
Population: 32,124
Water Systems: 12
Grant
Population: 3,437
Water Systems: 7
Hennepin
Population: 1,255,051
Water Systems: 44
Houston
Population: 10,972
Water Systems: 6
Hubbard
Population: 5,479
Water Systems: 7
Isanti
Population: 19,607
Water Systems: 5
Itasca
Population: 23,022
Water Systems: 18
Jackson
Population: 6,044
Water Systems: 6
Kanabec
Population: 4,253
Water Systems: 3
Kandiyohi
Population: 28,982
Water Systems: 15
Kittson
Population: 5,074
Water Systems: 6
Koochiching
Population: 7,271
Water Systems: 5
Lac Qui Parle
Population: 3,629
Water Systems: 6
Lake
Population: 5,690
Water Systems: 3
Lake Of The Woods
Population: 1,076
Water Systems: 2
Le Sueur
Population: 22,484
Water Systems: 11
Lincoln
Population: 16,820
Water Systems: 7
Lyon
Population: 20,829
Water Systems: 12
Mahnomen
Population: 1,699
Water Systems: 3
Marshall
Population: 7,791
Water Systems: 12
Martin
Population: 14,932
Water Systems: 9
Mcleod
Population: 27,042
Water Systems: 10
Meeker
Population: 11,753
Water Systems: 7
Mille Lacs
Population: 11,111
Water Systems: 9
Morrison
Population: 14,477
Water Systems: 9
Mower
Population: 32,205
Water Systems: 17
Murray
Population: 4,446
Water Systems: 9
Nicollet
Population: 28,542
Water Systems: 6
Nobles
Population: 17,315
Water Systems: 12
Norman
Population: 3,982
Water Systems: 9
Olmsted
Population: 140,811
Water Systems: 16
Otter Tail
Population: 26,481
Water Systems: 16
Pennington
Population: 9,624
Water Systems: 6
Pine
Population: 11,022
Water Systems: 15
Pipestone
Population: 6,896
Water Systems: 10
Polk
Population: 20,864
Water Systems: 11
Pope
Population: 4,881
Water Systems: 6
Ramsey
Population: 548,688
Water Systems: 16
Red Lake
Population: 2,037
Water Systems: 3
Redwood
Population: 10,383
Water Systems: 14
Renville
Population: 9,700
Water Systems: 10
Rice
Population: 56,316
Water Systems: 14
Rock
Population: 9,237
Water Systems: 8
Roseau
Population: 7,101
Water Systems: 13
Saint Louis
Population: 157,835
Water Systems: 29
Scott
Population: 116,794
Water Systems: 17
Sherburne
Population: 44,566
Water Systems: 9
Sibley
Population: 8,660
Water Systems: 8
Stearns
Population: 140,136
Water Systems: 33
Steele
Population: 30,780
Water Systems: 7
Stevens
Population: 6,904
Water Systems: 5
Swift
Population: 6,249
Water Systems: 6
Todd
Population: 9,827
Water Systems: 8
Traverse
Population: 2,174
Water Systems: 4
Wabasha
Population: 13,886
Water Systems: 10
Wadena
Population: 6,936
Water Systems: 5
Waseca
Population: 12,933
Water Systems: 4
Washington
Population: 238,979
Water Systems: 29
Watonwan
Population: 8,156
Water Systems: 8
Wilkin
Population: 4,189
Water Systems: 5
Winona
Population: 40,188
Water Systems: 12
Wright
Population: 113,095
Water Systems: 18
Yellow Medicine
Population: 6,758
Water Systems: 9