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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Maynard DPW, Water Division

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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND60ND
2016ND60ND
2017ND100ND
2018ND50ND
2019ND60ND

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
2014-05-28ND
2014-05-28ND
2014-05-28ND
2014-05-28ND
2014-05-28ND
2014-06-18ND
2015-09-16ND
2015-09-16ND
2015-09-16ND
2015-09-16ND
2015-09-16ND
2015-09-16ND
2016-06-16ND
2016-06-16ND
2016-06-16ND
2016-06-16ND
2016-06-20ND
2016-06-29ND
2017-05-25ND
2017-05-25ND
2017-05-25ND
2017-05-25ND
2017-05-25ND
2017-05-25ND
2017-07-17ND
2017-07-17ND
2017-07-17ND
2017-07-17ND
2018-05-08ND
2018-05-08ND
2018-05-08ND
2018-05-08ND
2018-05-08ND
2019-04-22ND
2019-04-22ND
2019-04-22ND
2019-04-22ND
2019-04-22ND
2019-04-22ND