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EWG's Tap Water Database — 2019 UPDATE

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1,3-Dichloropropene

Massachusetts Water Resources Authority (MWRA)

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
2012ND20ND
2013ND20ND
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

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 Result
2012-10-01ND
2012-10-02ND
2013-11-18ND
2013-11-19ND
2014-10-06ND
2014-10-07ND
2015-10-20ND
2015-10-20ND
2016-10-18ND
2016-10-18ND
2017-10-17ND
2017-10-17ND