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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Parkhouse

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND40ND
2016ND40ND
2017ND30ND
2018ND10ND
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
2014-04-02L4974224-1ND
2014-04-28L5026034-1ND
2014-11-07L5300357-1ND
2015-01-2912285030ND
2015-04-0112630992ND
2015-07-2213010774ND
2015-10-0913387319ND
2016-02-1913868678ND
2016-05-0414248933ND
2016-09-0714906166ND
2016-10-1915073650ND
2017-01-1715515336ND
2017-05-1916255534ND
2017-07-2116411223ND
2018-05-23L6992345-1ND
2019-05-09L7110022-1ND