Water Quality in Willmar, MN (56251)
EPA violation data for public water systems serving ZIP code 56251.
No Health-Based Violations
None of the 5 water systems serving this ZIP have any violations in the past 5 years.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
949
Population
5
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (5)
Willmar
Groundwater 21,045 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓ Copper tested: 1810 ppb (limit: 1300 ppb)
Kandiyohi
Groundwater 560 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Tripolis Lutheran Church
Groundwater 244 people served
0 violations
Diamond Lake County Park
Groundwater 100 people served
0 violations
Green Lake Lutheran Church
Groundwater 95 people served
0 violations
Lead & Copper Levels
Lead (Pb)
Within limit1 ppb measured
Action level: 15 ppb
Sampled: Jan 2025
Copper (Cu)
Exceeds limit1810 ppb measured
Action level: 1300 ppb
Sampled: Jan 2025
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.