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Water Quality in Cornwall, CT 06753

The water serving 06753 in Cornwall has 8 detected contaminants — well below the state average. Fewer detections doesn't necessarily mean safer water; even a single contaminant above health guidelines can pose risks, particularly for infants and immunocompromised individuals. A personalized report shows exactly where your household stands.

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See how 8 contaminants affect your specific household members — babies, children, pregnant women, elderly, dogs, and cats.

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Key Facts About Cornwall Water

Contaminants Detected

8

substances found in local water testing

Personalized For

11

household member types including pets

What Cornwall Residents Should Know

Cornwall's relatively low detection count of 8 is a positive sign, but it's worth checking the specifics. Contaminants like PFAS (forever chemicals) have extremely low health guidelines — parts per trillion — and even one substance above its health guideline can be meaningful. Well water users should also consider geology-based risks for arsenic and radon that may not appear in public system testing.

Common Contaminants in Connecticut Water

These are among the most frequently detected contaminants across Connecticut public water systems. Your specific results for 06753 may vary.

NitrateInorganics
CopperInorganics
LeadHeavy Metals
BariumInorganics
FluorideInorganics
Nitrate-NitriteInorganics
ArsenicInorganics
CadmiumInorganics

Frequently Asked Questions

Is the tap water safe to drink in Cornwall, CT?▾
Whether Cornwall 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 06753 above to see your personalized risk assessment.
What contaminants are in 06753 water?▾
8 contaminants have been detected in the water serving ZIP code 06753. 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 Cornwall have well water data?▾
Yes, CheckYourTap covers both city water (public water systems) and private well water in Cornwall and throughout Connecticut. Well water reports use USGS groundwater data and include geology-based risk factors for arsenic, uranium, and radon.

Nearby Areas

Bridgewater 06752Warren 06754Bethlehem 06751Gaylordsville 06755Bantam 06750Goshen 06756
View all Connecticut water quality reports

About This Report

Water quality data for Cornwall, CT 06753 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