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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Ctwc - South Coventry System

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
2014ND20ND
2015ND10ND
2016ND20ND
2017ND10ND
2018ND20ND
2019ND10ND

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
2014-01-10BF97090VOC1ND
2014-01-10BF97091VOC1ND
2015-10-08BK05107VOC1ND
2016-04-29BN21872VOC1ND
2016-04-29BN21871VOC1ND
2017-04-13BY04007VOC1ND
2018-02-02BZ84112VOC1ND
2018-02-09BZ87359VOC1ND
2019-04-26VOC1 200529819ND