Drinking Water Systems in WILLIAMSPORT, Pennsylvania

5 water systems are reported for this city, with a combined service population of 51,788. The systems have 147 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving WILLIAMSPORT

EPA Contaminant Categories in Historical Violation Records

Public Notice123 records
Chlorine79 records
Consumer Confidence Rule54 records
Coliform (TCR)21 records
Barium19 records
Revised Total Coliform Rule17 records
Groundwater Rule16 records
Benzene16 records
Endrin14 records
Nitrate14 records

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.