Water Quality in Duluth, MN (55768)
EPA violation data for public water systems serving ZIP code 55768.
No Health-Based Violations
None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 48% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,964
Population
11
Water Systems
4
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (11)
Duluth
Mountain Iron
All resolvedU.S. Steel-Minntac
All resolvedKeetac
Guest House Motel
West Two Rivers Campground
Club Rezevor
U S Steel Lions Spring
U S Steel Mn Ore Operations
Rezavor
Parkdale Acres Mhp
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jan 2023
How Does This Compare?
Duluth (55768) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, most of which are monitoring/reporting issues.
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.