Drinking Water Systems in KOYUKUK, Alaska
1 water system are reported for this city, with a combined service population of 85. The systems have 66 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving KOYUKUK
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)87 records
Chlorine85 records
Revised Total Coliform Rule45 records
Lead and Copper Rule22 records
Benzene17 records
Total Trihalomethanes (TTHMs)15 records
Haloacetic Acids (HAA5)15 records
Consumer Confidence Rule14 records
Pentachlorophenol11 records
Heptachlor epoxide11 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.