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Water Quality in Durham, CT 06422

Water quality testing for ZIP code 06422 in Durham has found 14 contaminants, which is below the state average. While fewer substances were detected here than in some Connecticut communities, several common contaminants like lead, PFAS, and disinfection byproducts may still be present at levels that exceed health guidelines for babies, pregnant women, or elderly residents.

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Key Facts About Durham Water

Contaminants Detected

14

substances found in local water testing

Personalized For

11

household member types including pets

What Durham Residents Should Know

Although Durham's detection count of 14 is near the state average, some of the most common contaminants in Connecticut — like haloacetic acids from chlorine disinfection and lead from aging pipes — are frequently found at levels that exceed stricter health guidelines. The gap between "legal" and "safe" is where personalized risk assessment matters most.

Common Contaminants in Connecticut Water

These are among the most frequently detected contaminants across Connecticut public water systems. Your specific results for 06422 may vary.

NitrateInorganics
CopperInorganics
LeadHeavy Metals
BariumInorganics
FluorideInorganics
Nitrate-NitriteInorganics
ArsenicInorganics
CadmiumInorganics

Frequently Asked Questions

Is the tap water safe to drink in Durham, CT?▾
Whether Durham tap water is safe depends on your household. While it may meet federal legal limits, many contaminants are present at levels above stricter health guidelines — especially for vulnerable groups like infants, pregnant women, and elderly residents. Enter your ZIP code 06422 above to see your personalized risk assessment.
What contaminants are in 06422 water?▾
14 contaminants have been detected in the water serving ZIP code 06422. Common findings in Connecticut include lead, PFAS (forever chemicals), disinfection byproducts, nitrates, and arsenic. Get your full report to see which ones affect your household.
Is CheckYourTap free?▾
Yes, CheckYourTap is completely free. Enter your ZIP code and tell us who lives in your home to get a personalized water quality report with health risk assessments for 120+ contaminants.
Does Durham have well water data?▾
Yes, CheckYourTap covers both city water (public water systems) and private well water in Durham and throughout Connecticut. Well water reports use USGS groundwater data and include geology-based risk factors for arsenic, uranium, and radon.

Nearby Areas

East Haddam 06423East Hampton 06424Salem 06420Killingworth 06419Derby 06418Essex 06426
View all Connecticut water quality reports

About This Report

Water quality data for Durham, CT 06422 is compiled from public records filed with the U.S. Environmental Protection Agency (EPA SDWIS), the U.S. Geological Survey (USGS NWIS), and the Connecticut Department of Public Health. Health guidelines reference the strictest available standards from the EWG, California OEHHA, and WHO. Risk assessments are personalized for 11 household member types. CheckYourTap is a service of Valiant Energy Solutions, a Connecticut company established in 1930.

Last updated March 2026