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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloropropene

Sjra The Woodlands

1,1-Dichloropropene is an industrial chemical.

MORE ABOUT THIS CONTAMINANT

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND100ND
2017ND80ND
2018ND80ND
2019ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-10AC46247ND
2014-03-10AC46241ND
2014-03-10AC46245ND
2014-03-10AC46239ND
2014-06-30AC58416ND
2014-10-01AC68670ND
2014-10-01AC68678ND
2014-10-01AC68672ND
2015-04-07AC87506ND
2015-04-07AC87504ND
2015-04-07AC87500ND
2015-04-07AC87490ND
2015-04-07AC87496ND
2015-04-07AC87532ND
2015-04-07AC87494ND
2015-10-15AD10822ND
2016-05-03AD35086ND
2016-05-03AD35112ND
2016-05-03AD35084ND
2016-05-03AD35110ND
2016-05-03AD35082ND
2016-05-03AD35088ND
2016-05-03AD35120ND
2016-09-29AD52088ND
2016-11-02AD56498ND
2016-11-02AD56500ND
2017-03-09AD74372ND
2017-03-09AD74368ND
2017-04-19AD80219ND
2017-04-19AD80215ND
2017-04-19AD80213ND
2017-04-19AD80211ND
2017-04-19AD80221ND
2017-04-19AD80217ND
2018-03-22AE19637ND
2018-03-22AE19639ND
2018-03-22AE19627ND
2018-03-22AE19655ND
2018-03-22AE19633ND
2018-03-22AE19635ND
2018-03-22AE19631ND
2018-03-22AE19643ND
2019-03-21AE59488ND
2019-03-21AE59478ND
2019-03-21AE59496ND
2019-03-21AE59454ND
2019-03-21AE59482ND
2019-03-21AE59492ND
2019-03-21AE59450ND
2019-03-21AE59452ND