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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Las Flores Water Company

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016ND10ND
2017N/A00N/A
2018ND60ND
2019ND10ND

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
2014-02-103761-003-0830ND
2016-06-063761-003-0825ND
2018-09-109590-003-0900ND
2018-09-109590-006-0920ND
2018-10-019590-003-1300ND
2018-10-019590-006-1245ND
2018-10-159590-003-0930ND
2018-10-159590-006-1000ND
2019-12-163761-003-0845ND