Pechanga is a large public water system in EPA region 9 that provides tap water for the 92593 zip codes. It has 7 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 10.44 µg/L. The maximum reported level of Manganese was 110 µg/L. There were 2 contamintants found in the Pechanga water supply at levels that were above the minimum reporting level.