Water Quality in Green Bay, WI (54307)

EPA violation data for public water systems serving ZIP code 54307.

Past Health-Based Violations

2 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There is also 1 monitoring/reporting violation.

More violations than 43% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

1,128

Population

17

Water Systems

3

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (17)

Green Bay Waterworks

Surface water 107,369 people served
0 violations
Lead tested: 2.5 ppb (limit: 15 ppb)

De Pere Waterworks Sa 1

Purchased surface water 25,660 people served
0 violations
Lead tested: 0.66 ppb (limit: 15 ppb)

Howard Waterworks

2 health-based
Purchased surface water 21,133 people served
3 violations (5yr) · 2 health-based · All resolved
Lead tested: 1.2 ppb (limit: 15 ppb)

Shopko Home Town

Groundwater 300 people served
0 violations

Shopko Corporate Office South

Groundwater 200 people served
0 violations

Nwtc Universal Driving Facility

Groundwater 160 people served
0 violations
Lead tested: 0.32 ppb (limit: 15 ppb)

Wi Public Service Corp Plover

Groundwater 70 people served
0 violations

Thornberry Creek Golf

Groundwater 50 people served
0 violations

Trudell Trailers

Groundwater 40 people served
0 violations

Nwtc Woodland Center

Groundwater 36 people served
0 violations
Lead tested: 6.89 ppb (limit: 15 ppb) Copper tested: 1545 ppb (limit: 1300 ppb)

Dell Aire Campground

Groundwater 26 people served
0 violations

Green Packaging Inc

Groundwater 25 people served
0 violations

Oneida Golf Tee 3

Groundwater 25 people served
0 violations

Muskego Rendering Co

Groundwater 25 people served
0 violations

Golden Arrow Archery Club

Groundwater 25 people served
0 violations

W P S Cmpgd Sanitary Station

Groundwater 25 people served
0 violations

Oneida Golf Snack Shack

Groundwater 25 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
1 violation
All resolved
Groundwater RuleHealth-Based
1 violation
All resolved
Public NoticeMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0.32 ppb measured Action level: 15 ppb

Sampled: Jun 2025

Copper (Cu)

Exceeds limit
1545 ppb measured Action level: 1300 ppb

Sampled: Jun 2022

How Does This Compare?

Green Bay (54307) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3.

Fewer violations 43th percentile More violations

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

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.

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