Comprehensive analysis of 0 public water systems across Minnesota. Rankings based on lead levels, nitrate levels, PFAS detection, and EPA violations.
0/100
Across all water systems
0
Public water systems
Oct 19, 2026
Data refreshes daily
View water quality rankings for specific regions of Minnesota
Top performing water systems
Systems needing improvement
Our water quality score (0-100) is calculated using a weighted formula based on EPA standards:
Perfect score below 5 ppb, scales to 0 at EPA action level (15 ppb)
Perfect score below 3 ppm, scales to 0 at EPA MCL (10 ppm)
Zero points for any health-based violations
Bonus points for no PFAS detected, penalty if detected
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