Drinking Water Systems in HELENA, Oklahoma
1 water system are reported for this city, with a combined service population of 443. The systems have 28 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving HELENA
EPA Contaminant Categories in Historical Violation Records
Consumer Confidence Rule6 records
Lead and Copper Rule5 records
Coliform (TCR)3 records
Haloacetic Acids (HAA5)2 records
Total Trihalomethanes (TTHMs)2 records
1,2,4-Trichlorobenzene2 records
Vinyl Chloride2 records
Tetrachloroethylene (PCE)2 records
1,1,1-Trichloroethane2 records
Chloramine2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.