Drinking Water Systems in OAK BROOK, Pennsylvania
1 water system are reported for this city, with a combined service population of 491. The systems have 4 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving OAK BROOK
EPA Contaminant Categories in Historical Violation Records
Chlorine12 records
Groundwater Rule6 records
Consumer Confidence Rule3 records
Total Trihalomethanes (TTHMs)2 records
Public Notice2 records
Haloacetic Acids (HAA5)2 records
Thallium2 records
Selenium2 records
Cadmium2 records
Nitrate2 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.