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EWG's Tap Water Database — 2021 UPDATE

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cis-1,3-Dichloropropene

St. Charles County PWSD 2

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017ND40ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-09-17AC34978ND
2017-09-07AD07208ND
2017-09-07AD07209ND
2017-09-07AD07210ND
2017-09-07AD07207ND