Water Quality in Green Bay, WI (54110)

EPA violation data for public water systems serving ZIP code 54110.

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

5,591

Population

20

Water Systems

12

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (20)

Green Bay Waterworks

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

Manitowoc Waterworks

Surface water 34,500 people served
0 violations
Lead tested: 7.7 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)

Brillion Waterworks

Groundwater 3,262 people served
0 violations
Lead tested: 8.1 ppb (limit: 15 ppb)

Millhome Supper Club

Groundwater 550 people served
0 violations

Round Lake Farms

Groundwater 305 people served
0 violations

Stone Prairie

Groundwater 203 people served
0 violations

Brillion Conservation Club

Groundwater 25 people served
0 violations

Marsh Inn Bar

Groundwater 25 people served
0 violations

Kasson Cheese Company

Groundwater 25 people served
0 violations

Branch Cenex

Groundwater 25 people served
0 violations

Deer Run Golf Course

Groundwater 25 people served
7 violations (5yr)

Millers Trailer Court

Groundwater 25 people served
0 violations

Brillion Nature Ctr

All resolved
Groundwater 25 people served
1 violation (5yr) · All resolved

Shermans Supper Club

Groundwater 25 people served
0 violations

Triple J Wing & Clay Llc

All resolved
Groundwater 25 people served
1 violation (5yr) · All resolved

West Shore Retreat Cottages North Well

Groundwater 24 people served
0 violations

West Shore Retreat Cottages Middle Well

Groundwater 24 people served
0 violations

Rural Un Meth Church

Groundwater 24 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
4 violations
Has active
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved
E. COLIMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Approaching limit
7.7 ppb measured Action level: 15 ppb

Sampled: Jun 2025

How Does This Compare?

Green Bay (54110) has more violations than 70% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 12.

Fewer violations 70th 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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