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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Hughson, City Of

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
2014ND30ND
2015N/A00N/A
2016N/A00N/A
2017ND30ND
2018ND30ND
2019N/A00N/A

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
2014-07-081120-003-1332ND
2014-07-081120-005-1342ND
2014-07-081120-014-1311ND
2017-07-183334-003-0830ND
2017-07-183334-005-0840ND
2017-07-183334-014-0820ND
2018-08-153334-003-1046ND
2018-08-153334-005-1150ND
2018-08-153334-014-0910ND