City of Frisco is a large public water system in EPA region 6 that provides tap water for the 75033 - 75036 zip codes. It has 10 facilities where the water supply was tested for 68 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 5.66 µg/L. There were 2 contamintants found in the City of Frisco water supply at levels that were above the minimum reporting level.