Drinking Water Systems in KOLIGANEK, Alaska

1 water system are reported for this city, with a combined service population of 170. The systems have 5 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving KOLIGANEK

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)33 records
Nitrate12 records
Chlorine11 records
Benzene10 records
Lead and Copper Rule9 records
Groundwater Rule9 records
Tetrachloroethylene (PCE)6 records
Carbon tetrachloride6 records
Chloramine6 records
Consumer Confidence Rule6 records

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