Drinking Water Systems in TWIN HILLS, Alaska
1 water system are reported for this city, with a combined service population of 87. The systems have 135 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving TWIN HILLS
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)58 records
Revised Total Coliform Rule12 records
Nitrate11 records
Groundwater Rule11 records
Benzene8 records
Lead and Copper Rule5 records
Tetrachloroethylene (PCE)4 records
Carbon tetrachloride4 records
Chloramine4 records
1,1-Dichloroethylene4 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.