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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Sjra The Woodlands

1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.

MORE ABOUT THIS CONTAMINANT

 

66

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND180ND
2017ND80ND
2018ND80ND
2019ND160ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.0007 ppb

The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

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
2015-04-07AC87494ND
2015-04-07AC87532ND
2015-04-07AC87496ND
2015-04-07AC87506ND
2015-04-07AC87490ND
2015-04-07AC87500ND
2015-04-07AC87504ND
2015-10-15AD10822ND
2016-05-03AD35144ND
2016-05-03AD35120ND
2016-05-03AD35088ND
2016-05-03AD35082ND
2016-05-03AD35110ND
2016-05-03AD35084ND
2016-05-03AD35112ND
2016-05-03AD35086ND
2016-05-03AD35132ND
2016-05-03AD35160ND
2016-05-03AD35140ND
2016-05-03AD35134ND
2016-05-03AD35136ND
2016-09-29AD52088ND
2016-11-02AD56526ND
2016-11-02AD56528ND
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
2018-03-22AE19627ND
2018-03-22AE19639ND
2018-03-22AE19655ND
2018-03-22AE19633ND
2018-03-22AE19637ND
2018-03-22AE19631ND
2018-03-22AE19635ND
2018-03-22AE19643ND
2019-03-21AE59452ND
2019-03-21AE59450ND
2019-03-21AE59492ND
2019-03-21AE59482ND
2019-03-21AE59454ND
2019-03-21AE59496ND
2019-03-21AE59478ND
2019-03-21AE59524ND
2019-03-21AE59546ND
2019-03-21AE59526ND
2019-03-21AE59542ND
2019-03-21AE59520ND
2019-03-21AE59528ND
2019-03-21AE59544ND
2019-03-21AE59530ND
2019-03-21AE59488ND