Drinking Water Systems in ANSONIA, Connecticut

2 water systems are reported for this city, with a combined service population of 431,980. The systems have 0 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving ANSONIA

REGIONAL WATER AUTHORITY

418,900 served19 historical records
A

AQUARION-VALLEY

13,080 served1 historical record
A

EPA Contaminant Categories in Historical Violation Records

Consumer Confidence Rule2 records
Nitrate2 records
Nitrite2 records
Haloacetic Acids (HAA5)1 record
Trichloroethylene (TCE)1 record
Tetrachloroethylene (PCE)1 record
Vinyl chloride1 record
1,1-Dichloroethylene1 record
Carbon tetrachloride1 record
Chloramine1 record

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.