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WaterSafety

Regional Water Authority

New Haven, Connecticut · PWSID: CT0930011

B
Water Safety Score
80/100
418,900
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 LimitDec 30, 2020

Violation History

Contaminant 2920
Treatment TechniqueJan 1, 2017 - Mar 31, 2017
Open
Combined Filter Effluent
Treatment TechniqueDec 30, 2020 - May 26, 2021
Resolved
Enforcement: 1134

Frequently Asked Questions

Regional Water Authority has a Water Safety Score of B (80/100). The system serves 418,900 people and has 0 health violations on record. Check the contaminant table above for specific detected substances.

Regional Water Authority 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.