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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Sharyland Water Supply Corporation

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

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND60ND
2014ND40ND
2015ND20ND
2016ND120ND
2017ND30ND
2018ND30ND
2019ND60ND

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
2013-04-231304798-005DND
2013-04-231304798-007DND
2013-07-31Q1304734001ND
2013-07-31Q1304734003ND
2013-10-23Q1309529001ND
2013-10-23Q1309529003ND
2014-01-29Q1402779003ND
2014-01-29Q1402779001ND
2014-08-19AC64300ND
2014-08-19AC64326ND
2015-08-03AD02131ND
2015-08-03AD02129ND
2016-02-03AD21908ND
2016-02-03AD21906ND
2016-03-23AD30213ND
2016-03-23AD30149ND
2016-05-11AD36396ND
2016-05-11AD36448ND
2016-09-14AD49514ND
2016-09-14AD49450ND
2016-09-14AD49488ND
2016-09-14AD49452ND
2016-10-26AD55221ND
2016-10-26AD55147ND
2017-08-02AD92160ND
2017-08-02AD92156ND
2017-08-02AD92158ND
2018-08-31AE39147ND
2018-08-31AE39145ND
2018-08-31AE39155ND
2019-06-24AE71777ND
2019-06-24AE71773ND
2019-06-24AE71775ND
2019-06-24AE71765ND
2019-09-18AE83972ND
2019-09-18AE83974ND