Drinking Water Systems in DELAWARE, Oklahoma
1 water system are reported for this city, with a combined service population of 456. The systems have 31 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving DELAWARE
EPA Contaminant Categories in Historical Violation Records
Interim Enhanced Surface Water Treatment Rule26 records
Public Notice23 records
CARBON, TOTAL13 records
Total Trihalomethanes (TTHMs)8 records
Trichloroethylene (TCE)2 records
1,1-Dichloroethylene2 records
Consumer Confidence Rule2 records
1,2,4-Trichlorobenzene2 records
Lead and Copper Rule1 record
Haloacetic Acids (HAA5)1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.