Drinking Water Systems in COLUMBIA, Connecticut

4 water systems are reported for this city, with a combined service population of 180. The systems have 2 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving COLUMBIA

HILLSIDE CONDOMINIUMS

96 served29 historical records
A

CTWC - COLUMBIA HEIGHTS DIV.

32 served0 historical records
A

WOODLAND TERRACE

27 served28 historical records2 recent
B

DARTMOUTH VILLAGE ELDERLY HOUSING

25 served0 historical records
A

EPA Contaminant Categories in Historical Violation Records

Consumer Confidence Rule11 records
Coliform (TCR)9 records
Lead and Copper Rule4 records
Arsenic3 records
Thallium3 records
Selenium3 records
Public Notice3 records
Cyanide2 records
Thallium, Total2 records
Barium2 records

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