City of Petaluma is a large public water system in EPA region 09 that provides tap water for the 94952 zip codes. It has 12 facilities where the water supply was tested for 20 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 6.7 µg/L. The maximum reported level of Manganese was 57 µg/L. There were 2 contamintants found in the City of Petaluma 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.
The latest water samples were taken between November 14th, 2018 and December 13th, 2018.