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WaterSafety

Green Bay Waterworks

Green Bay, Wisconsin · PWSID: WI4050356

B
Water Safety Score
80/100
107,369
Population Served
Surface water
Source Type
0
Health Violations
0
Contaminant Exceedances

Detected Contaminants

ContaminantDetected LevelMCL (Limit)StatusSample Date
Combined Filter Effluent0.5 NTU1 NTUWithin LimitJan 1, 2016

Violation History

Combined Filter Effluent
MonitoringJan 1, 2016 - Nov 8, 2017
Resolved
Enforcement: 1800023
Combined Filter Effluent
MonitoringJan 1, 2016 - Nov 8, 2017
Resolved
Enforcement: 1800023
Combined Filter Effluent
MonitoringJan 1, 2016 - Nov 8, 2017
Resolved
Enforcement: 1800024
Combined Filter Effluent
MonitoringJan 1, 2016 - Nov 8, 2017
Resolved
Enforcement: 1800024
Combined Filter Effluent
MonitoringJul 1, 2016 - Nov 8, 2017
Resolved
Enforcement: 1800022
Combined Filter Effluent
MonitoringJul 1, 2016 - Nov 8, 2017
Resolved
Enforcement: 1800022
Combined Filter Effluent
MonitoringJul 1, 2016 - Nov 8, 2017
Resolved
Enforcement: 1800021
Combined Filter Effluent
MonitoringJul 1, 2016 - Nov 8, 2017
Resolved
Enforcement: 1800021

Frequently Asked Questions

Green Bay Waterworks has a Water Safety Score of B (80/100). The system serves 107,369 people and has 0 health violations on record. Check the contaminant table above for specific detected substances.

Green Bay Waterworks has 0 contaminant exceedances above EPA health guidelines. See the full contaminant detection table above for all tested substances and their levels relative to legal limits and health guidelines.

The Water Safety Score (0-100, grades A through F) is based on contaminant levels relative to legal limits, health guideline exceedances, violation history, and enforcement actions. Higher scores indicate fewer concerns.

If your water system has violations, request the Consumer Confidence Report from your utility, consider getting an independent water test from a certified lab, and look into certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.

Sources: EPA SDWIS, EWG Tap Water Database
Last updated:

Water quality data sourced from EPA's Safe Drinking Water Information System (SDWIS). Safety scores are calculated based on contaminant levels, violations, and enforcement history. This is not a substitute for your utility's official Consumer Confidence Report.