Skip to main content
WaterSafety

Aquarion-Stamford

Shelton, Connecticut · PWSID: CT1350011

B
Water Safety Score
80/100
119,214
Population Served
Surface water
Source Type
0
Health Violations
0
Contaminant Exceedances

Detected Contaminants

ContaminantDetected LevelMCL (Limit)StatusSample Date
Total Coliform (TCR)2.5 % positive5 % positiveWithin LimitJul 1, 2018
Benzene2.5 ppb5 ppbWithin LimitJan 1, 2016
Atrazine1.5 ppb3 ppbWithin LimitJan 1, 2016
Combined Filter Effluent0.5 NTU1 NTUWithin LimitDec 30, 2021

Violation History

Total Coliform (TCR)
Treatment TechniqueJul 1, 2018 - Jul 9, 2018
Resolved
Enforcement: 710
Contaminant 2010
Health-BasedJan 1, 2016 - Jul 1, 2019
Resolved
Enforcement: 718
Contaminant 2015
Health-BasedJan 1, 2016 - Jul 1, 2019
Resolved
Enforcement: 718
Contaminant 2020
Health-BasedJan 1, 2016 - Jul 1, 2019
Resolved
Enforcement: 718
Contaminant 2021
Health-BasedJan 1, 2016 - Jul 1, 2019
Resolved
Enforcement: 718
Contaminant 2022
Health-BasedJan 1, 2016 - Jul 1, 2019
Resolved
Enforcement: 718
Contaminant 2043
Health-BasedJan 1, 2016 - Jul 1, 2019
Resolved
Enforcement: 718
Contaminant 2044
Health-BasedJan 1, 2016 - Jul 1, 2019
Resolved
Enforcement: 718
Contaminant 2045
Health-BasedJan 1, 2016 - Jul 1, 2019
Resolved
Enforcement: 718
Contaminant 2046
Health-BasedJan 1, 2016 - Jul 1, 2019
Resolved
Enforcement: 718

Frequently Asked Questions

Aquarion-Stamford has a Water Safety Score of B (80/100). The system serves 119,214 people and has 0 health violations on record. Check the contaminant table above for specific detected substances.

Aquarion-Stamford 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.