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EWG's Tap Water Database — 2021 UPDATE

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trans-1,3-Dichloropropene

Rio 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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND30ND
2016ND30ND
2017ND20ND
2018ND30ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-28147663002ND
2014-07-28147663001ND
2014-08-04148747001ND
2014-08-04148748001ND
2014-09-09155868001ND
2014-09-09155866001ND
2015-02-09178688001ND
2015-08-12211382001ND
2015-08-12211381001ND
2016-07-21267709001ND
2016-08-31274994001ND
2016-08-31274996001ND
2017-09-19923296ND
2017-09-19923305ND
2018-07-10393175001ND
2018-08-15401207001ND
2018-08-15401204001ND
2019-02-19431942001ND
2019-08-12462739001ND
2019-08-12462737001ND