Green Bay, WI
Contamination score
Higher = more contaminated vs. other cities.
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Reported illness & cancer claims
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Self-reported issues
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Pollution sources & reported claims near your water
Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.
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Public water systems
Green Bay Waterworks
- PWSID:
- WI4050356
- Source:
- Surface water
- Serves:
- 107,369 people
Allouez Waterworks
- PWSID:
- WI4050455
- Source:
- Surface water
- Serves:
- 13,923 people
Howard Waterworks
- PWSID:
- WI4050468
- Source:
- Surface water
- Serves:
- 21,133 people
Bellevue Waterworks
- PWSID:
- WI4050459
- Source:
- Surface water
- Serves:
- 16,715 people
Ashwaubenon Waterworks
- PWSID:
- WI4050456
- Source:
- Surface water
- Serves:
- 17,730 people
EPA & DEP violations
Green Bay Waterworks
PWSID WI40503564 violationsLead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2016 · 10 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2016 · 10 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2016 · 10 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2016 · 10 years ago · Source ↗
Allouez Waterworks
PWSID WI40504555 violationsPublic Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — TT violation
high severityHealth-basedResolvedLEAD AND COPPER RULE REVISIONS TT violation (Resolved).
EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Mar 1, 2015 · 11 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2015 · 11 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2012 · 14 years ago · Source ↗
Bellevue Waterworks
PWSID WI40504594 violationsRevised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Nov 1, 2021 · 4 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2021 · 4 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2021 · 4 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2018 · 8 years ago · Source ↗
Ashwaubenon Waterworks
PWSID WI40504561 violationRevised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Sep 1, 2025 · 11 months ago · Source ↗
City-wide
6 violationsLEAD AND COPPER RULE REVISIONS — TT violation
high severityHealth-basedResolvedLEAD AND COPPER RULE REVISIONS TT violation (Resolved).
EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Oct 17, 2024 · 1 year ago · Source ↗
Groundwater Rule — TT violation
high severityHealth-basedResolvedGroundwater Rule TT violation (Resolved).
EPA SDWIS · TT · Began Dec 16, 2023 · 2 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Feb 1, 2019 · 7 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Jan 1, 2019 · 7 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Oct 1, 2011 · 14 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.