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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Ventura Waterworks District No. 8 - Simi Valley

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
2013N/A00N/A
2014ND30ND
2015ND20ND
2016N/A00N/A
2017ND20ND
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
2014-04-159588-013-1227ND
2014-04-309588-011-1215ND
2014-05-209588-012-0922ND
2015-06-029588-011-0915ND
2015-07-219588-007-1450ND
2017-05-039588-013-1445ND
2017-12-219588-011-1430ND
2018-12-199588-011-1118ND
2019-12-099588-007-1330ND
2019-12-099588-011-1255ND