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National Drinking Water Database

cis-1,3-Dichloropropene in California

cis-1,3-Dichloropene is used in chemical synthesis, and in agriculture as a soil fumigant and nematocide.

The Most Polluted Communities in California

2 water utilities reported detecting cis-1,3-Dichloropropene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average cis-1,3-Dichloropropene level

RankSystem Population Served Positive test results of total reported tests Average Level
1Montara Water and Sanitary District
Montara, CA
5,4121 of 110.02 ppb
(0 to 0.21 ppb)
2City of Fresno Water Division
Fresno, CA
390,3501 of 215< 0.01 ppb
(0 to 0.13 ppb)

Health Based Limits for cis-1,3-Dichloropropene

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

Violation Summary for cis-1,3-Dichloropropene in California

There are no violations reported for this contaminant in California