Williamsport Mun. Water Auth. is a large public water system in EPA region 3 that provides tap water for the 17701, 17702 zip codes. It has 3 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 24.2 µg/L. The maximum reported level of Manganese was 0.51 µg/L. There were 2 contamintants found in the Williamsport Mun. Water Auth. water supply at levels that were above the minimum reporting level.