Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,3-Dichloropropene

Watertown Waterworks

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND10ND
2016ND30ND
2017ND20ND
2018ND30ND
2019ND30ND

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
2014-05-05783787ND
2014-05-05783790ND
2014-05-05783793ND
2015-04-20855197ND
2016-05-02918945ND
2016-05-02918947ND
2016-05-02918949ND
2017-05-03986655ND
2017-05-03986659ND
2018-02-121040467ND
2018-04-091049313ND
2018-04-091049315ND
2019-03-201110824ND
2019-03-201110826ND
2019-03-201110828ND