City of Wilsonville is a large public water system in EPA region 10 that provides tap water for the 97070 zip codes. It has 2 facilities where the water supply was tested for 30 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 7.2 µg/L. The maximum reported level of Manganese was 3.1 µg/L. There were 2 contamintants found in the City of Wilsonville water supply at levels that were above the minimum reporting level. 0 of the contaminants were above the reference level, which means they may pose a risk to human health.