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National Drinking Water Database

Acetaldhyde in California

Acetaldehyde is a widely-used industrial chemical and common air pollutant; it is released into the environment from chemical manufacturing and from the combustion of fossil fuels.

The Most Polluted Communities in California

2 water utilities reported detecting Acetaldhyde in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Acetaldhyde level

RankSystem Population Served Positive test results of total reported tests Average Level
1Valley County Water Dist.
Baldwin Park, CA
55,0002 of 23.55 ppb
(2.4 to 4.7 ppb)
2South Tahoe Pud - Main
South Lake Tahoe, CA
60,00010 of 151.41 ppb
(0 to 4 ppb)

Health Based Limits for Acetaldhyde

There are no health based standards that EWG is using for this chemical

Violation Summary for Acetaldhyde in California

There are no violations reported for this contaminant in California