Minnesota Water Quality Ratings

TapWaterSafety has rated 20 public water systems in Minnesota, serving a combined 2,758,301 residents. The statewide average grade is D.

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
State average grade
D
61/100
Total utilities rated 20
Population served 2,758,301
Most recent test 2024

Top water quality concerns in Minnesota

  • Haloacetic acids (HAA9) significantly above health guideline
  • Total trihalomethanes (TTHMs) significantly above health guideline
  • PFAS contamination
  • Perfluorohexane sulfonate (PFHXS) significantly above health guideline
  • Haloacetic acids (HAA5) significantly above health guideline

Cities in Minnesota

Browse tap water quality reports by city. Click any city to see its grade, what's in the water, and recommended filters.

Blaine
D 70,220
Bloomington
D 91,300
Brooklyn Park
F 89,995
Burnsville
D 61,747
Coon Rapids
F 64,000
Duluth
D 86,859
Eagan
D 68,223
Eden Prairie
D 63,726
Edina
F 53,494
Lakeville
D 67,300
Maple Grove
F 82,000
Minneapolis
D 850,300
Minnetonka
F 54,474
Plymouth
F 76,546
Rochester
D 123,624
St. Cloud
F 71,321
St. Paul
F 700,529
Woodbury
F 82,643

Grade distribution

A
0 (0%)
B
0 (0%)
C
7 (35%)
D
11 (55%)
F
2 (10%)

All rated utilities in Minnesota

Sorted by score, highest first. Click any utility to see the full grade card.

Rank Utility City Population Score Grade
#1 Eagan Eagan 68,223 68 C
#2 Eden Prairie Eden Prairie 63,726 68 C
#3 Burnsville Burnsville 61,747 67 C
#4 Minneapolis Minneapolis 425,300 67 C
#5 Duluth Duluth 86,859 67 C
#6 St. Paul Department of Public Works St. Paul 308,000 67 C
#7 Minneapolis Municipal Water System Minneapolis 425,000 66 C
#8 Blaine Blaine 70,220 63 D
#9 Lakeville Lakeville 67,300 62 D
#10 Rochester Rochester 123,624 62 D
#11 Bloomington Bloomington 91,300 61 D
#12 Edina Edina 53,494 59 D
#13 Coon Rapids Coon Rapids 64,000 57 D
#14 Maple Grove Maple Grove 82,000 56 D
#15 Minnetonka Minnetonka 54,474 56 D
#16 Plymouth Plymouth 76,546 56 D
#17 Woodbury Woodbury 82,643 56 D
#18 Saint Cloud St. Cloud 71,321 55 D
#19 Brooklyn Park Brooklyn Park 89,995 51 F
#20 Saint Paul Regional Water Services St. Paul 392,529 50 F