Drinking Water Systems in OWASSO, Oklahoma
2 water systems are reported for this city, with a combined service population of 23,176. The systems have 21 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving OWASSO
EPA Contaminant Categories in Historical Violation Records
Chlorine10 records
Consumer Confidence Rule8 records
Coliform (TCR)7 records
Revised Total Coliform Rule7 records
Haloacetic Acids (HAA5)5 records
Total Trihalomethanes (TTHMs)4 records
LEAD AND COPPER RULE REVISIONS2 records
Lead and Copper Rule2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.