County Water Quality Report

Hennepin County, Minnesota

9 public water systems serving 1,361,835 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
D
60/100
Utilities rated 9
Population served 1,361,835
Most recent test 2024

Top water quality concerns in Hennepin County

  • Haloacetic acids (HAA9) significantly above health guidelinein 8 of 9 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 7 of 9 utilities
  • PFAS contaminationin 6 of 9 utilities
  • Perfluorohexane sulfonate (PFHXS) significantly above health guidelinein 5 of 9 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 2 of 9 utilities

All utilities in Hennepin County

Click any utility for full grade card, contaminant data, and treatment plant contact info.

C
68/100

Eden Prairie

Eden Prairie · 63,726 residents

Top concern: Total trihalomethanes (TTHMs) significantly above health guideline

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C
67/100

Minneapolis

Minneapolis · 425,300 residents

Top concern: Haloacetic acids (HAA9) significantly above health guideline

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C
66/100

Minneapolis Municipal Water System

Minneapolis · 425,000 residents

Top concern: Lead detected in source water

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D
61/100

Bloomington

Bloomington · 91,300 residents

Top concern: PFAS contamination

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D
59/100

Edina

Edina · 53,494 residents

Top concern: PFAS contamination

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D
56/100

Maple Grove

Maple Grove · 82,000 residents

Top concern: PFAS contamination

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D
56/100

Minnetonka

Minnetonka · 54,474 residents

Top concern: PFAS contamination

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D
56/100

Plymouth

Plymouth · 76,546 residents

Top concern: PFAS contamination

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F
51/100

Brooklyn Park

Brooklyn Park · 89,995 residents

Top concern: PFAS contamination

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