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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

School Hill Association Inc.

1,3-Dichloropropene is a volatile cancer-causing chemical primarily used as a nematocide to fumigate agricultural soils. It exists in two different forms: cis-1,3-dichloropropene and trans-1,3-dichloropropene.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND40ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.2 ppb

The EWG Health Guideline of 0.2 ppb for 1,3-dichloropropene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-02E406031-3VOCND
2015-05-18E505F74-3VOCND
2015-09-17E509K17-5VOCND
2015-09-17E509K17-6VOCND
2015-09-17E509K17-4VOCND
2016-06-06E606510-3VOCND
2017-06-22D7F2109-03VOCND
2018-05-18D8E1723-03VOCND
2019-03-25CC74889ND
2019-03-25CC74889RND