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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Wallingford 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.

MORE ABOUT THIS CONTAMINANT

 

35

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND60ND
2015ND50ND
20160.0833 ppb61ND - 0.500 ppb
2017ND60ND
2018ND60ND
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 Lab ID Result
2014-01-28BG04311VOC1ND
2014-05-082638-5VOC1ND
2014-06-0304990VOC1ND
2014-06-0304992VOC1ND
2014-08-12BG92883VOC1ND
2014-11-242697-05VOC1ND
2015-04-132741-02VOC1ND
2015-04-132741-04VOC1ND
2015-06-012741-03VOC1ND
2015-08-192787-02VOC1ND
2015-11-032821-02VOC1ND
2016-01-122844-02VOC1ND
2016-01-122844-01VOC10.500 ppb
2016-02-022844-06VOC1ND
2016-04-19BN15871VOC1ND
2016-08-0912091VOC1ND
2016-11-022968-02VOC1ND
2017-01-193003-03VOC1ND
2017-01-193003-01VOC1ND
2017-03-163024-01VOC1ND
2017-05-25BY29408VOC1ND
2017-07-05BY53098VOC1ND
2017-11-14BZ42532VOC1ND
2018-03-05BZ98169ND
2018-04-17CA21065ND
2018-06-28CA80407ND
2018-07-17CA91980ND
2018-08-14CB11135ND
2018-10-11CB69933ND
2019-02-21CC55842-02ND
2019-03-06CC62592-02ND
2019-03-06CC62591-02ND
2019-04-08CC90384ND
2019-07-08CD51593ND
2019-10-10CE30938-VOCND