City of Frisco is a large public water system in EPA region 06 that provides tap water for the 75033 - 75035 zip codes. It has 9 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 23.265 µg/L. The maximum reported level of Manganese was 4.5 µg/L. There were 2 contamintants found in the City of Frisco 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.