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EWG's Tap Water Database — 2021 UPDATE

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1,3-Dichloropropene

Star-mindingall Water Authority

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.

 

13

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
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
2014-04-16140417030-1ND
2014-07-17140718019-1ND
2015-07-15150716024-2ND
2015-07-15150716024-1ND
2016-04-15160415037-1ND
2016-07-14160714049-1ND
2017-04-28170501006-1ND
2017-07-12170710032-1ND
2018-06-18180618038-1ND
2018-07-09180709042-001ND
2019-04-1119040442-001AAND
2019-04-1119040442-001AND
2019-07-0820111585001_IVOCND