Water Quality in Green Bay, WI (54208)
EPA violation data for public water systems serving ZIP code 54208.
Past Health-Based Violations
4 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 26 monitoring/reporting violations.
More violations than 84% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,231
Population
35
Water Systems
30
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (35)
Green Bay Waterworks
Manitowoc Waterworks
De Pere Waterworks Sa 1
Howard Waterworks
2 health-basedDenmark Waterworks
1 health-basedNlc Energy Denmark
Natural Beauty Growers
Saputo Cheese Usa Inc Denmark Division
C Mart
Whitetail Lodge Bar
Genies Place Bar
Denmark Gun Club
Chern Inn Bar
Mark The
Brave Bull Supper Club
St Lawrence Cath Ch
St Joseph St John Cath Ch Pilsen
Chute Pond Properties
Twin Oaks Golf Course
1 health-basedHoly Trinity Cath Ch
Duck Creek Vineyard & Winery
Basil Ii Bar
St James Cath Ch
Sheilas Bar Ii
All resolvedCrazy 8 Bar
Lakeshore Beagle Club
Tishas Grill
Loopys On The Loop
Lake To Lake Dairy
St Hedwig Cath Ch
All resolvedGene & Marys Market
St Isidore The Farmer Parish
Roosters Coop
Greiling Farms Inc Production
Squeekers Park Tm Fire Dept
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jun 2025
How Does This Compare?
Green Bay (54208) has more violations than 84% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 30.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.