Water Quality in Duluth, MN (55708)
EPA violation data for public water systems serving ZIP code 55708.
No Health-Based Violations
None of the 4 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.
929
Population
4
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (4)
Duluth
Surface water 86,859 people served
0 violations
Lead tested: 8 ppb (limit: 15 ppb) ✓
Biwabik
Surface water 975 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Giants Ridge Resort Cafeteria
Groundwater 150 people served
0 violations
Dyno Nobel
Groundwater 28 people served
0 violations
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 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.