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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Danbury Water Department

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
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
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
2014-02-18E402994-5VOCND
2014-02-18E402994-6VOCND
2015-04-21E504H71-2VOCND
2015-04-21E504H71-1VOCND
2016-04-19E604J01-5VOCND
2016-04-19E604J01-6VOCND
2017-02-15194887GEND
2017-02-15194886GEND
2018-02-21210745GEND
2018-02-21210744GEND
2019-08-15VOC1 200545121ND
2019-08-15VOC1 200545122ND