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EWG's Tap Water Database — 2021 UPDATE

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cis-1,3-Dichloropropene

Old Marbach School 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-28AC40440ND
2015-08-06AD03002ND
2015-08-06AD02954ND
2016-02-09AD22766ND
2016-02-09AD22774ND
2016-06-08AD39820ND
2017-11-06AE03663ND
2017-12-12AE07541ND
2018-02-14AE13778ND
2018-02-14AE13790ND
2019-12-09AE91909ND
2019-12-09AE91911ND