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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Lake Forest Water Coop

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019ND60ND

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
2015-09-16217929002ND
2015-09-16217929001ND
2018-06-04385684001ND
2018-06-04385683001ND
2018-11-28421495002ND
2018-11-28421495001ND
2019-03-19435960002ND
2019-03-19435960001ND
2019-06-06450162002ND
2019-06-06450162001ND
2019-09-16470008002ND
2019-09-16470008001ND