Drinking Water Systems in DERBY, Connecticut
2 water systems are reported for this city, with a combined service population of 420,001. The systems have 0 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving DERBY
REGIONAL WATER AUTHORITY
418,900 served19 historical records
A
AQUARION-EAST DERBY
1,101 served0 historical records
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.