States →
Minnesota Water Quality
6,557 public water systems serving 5,239,398 people.
Water Systems
6,557
Total Violations
59,895
Violation Rate
51.6%
PFAS Detection
76%
149 of 196 tested
Largest Water Systems
Minneapolis
Minneapolis, MN · 425,300 served
Saint Paul Regional Water Services
St. Paul, MN · 392,529 served
Rochester
Rochester, MN · 123,624 served
Bloomington
Bloomington, MN · 91,300 served
Brooklyn Park
Brooklyn Park, MN · 89,995 served
Duluth
Duluth, MN · 86,859 served
Woodbury
Woodbury, MN · 82,643 served
Plymouth
Plymouth, MN · 81,026 served
Maple Grove
Maple Grove, MN · 75,000 served
Saint Cloud
St. Cloud, MN · 71,321 served
Blaine
Blaine, MN · 70,220 served
Eagan
Eagan, MN · 68,223 served
Lakeville
Lakeville, MN · 67,300 served
Coon Rapids
Coon Rapids, MN · 64,000 served
Eden Prairie
Eden Prairie, MN · 63,726 served
Burnsville
Burnsville, MN · 61,747 served
Minnetonka
Minnetonka, MN · 54,474 served
Edina
Edina, MN · 53,494 served
Apple Valley
Apple Valley, MN · 50,300 served
Saint Louis Park
St. Louis Park, MN · 50,010 served
Most Violations
#1 Sunset Lodge Oak Island
366 #2 Timber Trail Lodge Ely
287 #3 Lodge of Whispering Pines Ely
269 #4 Blomkest Blomkest
229 #5 Brandy Lake Estates Detroit Lakes
227 #6 Echo Trail Tavern Buyck
223 #7 Cliff Dweller Tofte
221 #8 Flag Island Resort Angle Inlet
216 #9 Climax Climax
208 #10 Lakewood Park and Sales Warroad
195 #11 Oak Manor Mobile Home Park Lancaster
195 #12 Arrowhead Lodge and Resort Kabetogama
185 #13 Trail Center Lodge Grand Marais
184 #14 Riverbend Homes and More Mankato
170 #15 Valmet DBA StoneL Fergus Falls
167 Counties in Minnesota
Hennepin
202 systems · 1,273,140 served
· 1,534 violations
Ramsey
43 systems · 579,780 served
· 369 violations
Dakota
135 systems · 391,434 served
· 1,282 violations
Anoka
245 systems · 328,280 served
· 2,022 violations
Washington
195 systems · 259,368 served
· 1,652 violations
St. Louis
364 systems · 178,965 served
· 3,967 violations
Stearns
214 systems · 167,300 served
· 2,315 violations
Olmsted
83 systems · 148,383 served
· 573 violations
Scott
115 systems · 133,319 served
· 1,081 violations
Wright
129 systems · 130,391 served
· 1,276 violations
Carver
68 systems · 104,814 served
· 570 violations
Crow Wing
385 systems · 79,377 served
· 2,014 violations
Rice
71 systems · 64,806 served
· 729 violations
Clay
51 systems · 60,378 served
· 534 violations
Blue Earth
64 systems · 59,656 served
· 867 violations
Sherburne
80 systems · 58,403 served
· 645 violations
Winona
79 systems · 51,377 served
· 1,204 violations
Otter Tail
282 systems · 44,731 served
· 1,791 violations
Goodhue
91 systems · 44,002 served
· 1,061 violations
Chisago
110 systems · 40,252 served
· 932 violations
Mower
54 systems · 36,656 served
· 630 violations
Steele
36 systems · 36,022 served
· 441 violations
Kandiyohi
74 systems · 35,789 served
· 1,003 violations
Beltrami
188 systems · 34,995 served
· 1,040 violations
Nicollet
26 systems · 30,952 served
· 217 violations
Douglas
153 systems · 30,896 served
· 1,199 violations
McLeod
39 systems · 30,778 served
· 363 violations
Itasca
229 systems · 30,771 served
· 1,273 violations
Freeborn
58 systems · 29,013 served
· 771 violations
Benton
67 systems · 28,624 served
· 421 violations
Showing top 30 of 87 counties.