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EWG's Tap Water Database — 2021 UPDATE

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trans-1,3-Dichloropropene

Onalaska Water Supply Corporation

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND60ND
2016ND40ND
2017ND30ND
2018ND40ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-21AC39512ND
2014-06-19AC57483ND
2015-04-23AC89410ND
2015-04-23AC89428ND
2015-04-23AC89416ND
2015-08-10AD03271ND
2015-09-10AD06574ND
2015-10-06AD09631ND
2016-01-20AD18982ND
2016-01-20AD18942ND
2016-01-20AD18960ND
2016-01-20AD18984ND
2017-03-21AD76077ND
2017-03-21AD76073ND
2017-03-21AD76071ND
2018-02-15AE14067ND
2018-02-15AE14113ND
2018-02-15AE14109ND
2018-02-15AE14073ND
2019-11-19AE89803ND
2019-11-19AE89807ND
2019-11-19AE89801ND