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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

South Grayson Special Utility District

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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND120ND
2018ND80ND
2019ND50ND

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
2014-07-29Q1431739016ND
2014-07-29Q1431739015ND
2014-07-29Q1431739013ND
2014-07-29Q1431739022ND
2015-04-08Q1512852006ND
2015-04-08Q1512852004ND
2015-04-08Q1512852012ND
2015-04-08Q1512852002ND
2016-10-19Q1644668006ND
2016-10-19Q1644668009ND
2016-10-19Q1644668001ND
2016-10-19Q1644668004ND
2017-08-07Q1732976010ND
2017-08-07Q1732976003ND
2017-11-13Q1757969005ND
2017-11-13Q1757969002ND
2017-12-05Q1762919022ND
2017-12-05Q1762919026ND
2017-12-05Q1762919024ND
2017-12-05Q1762919020ND
2017-12-05Q1762919008ND
2017-12-05Q1762919005ND
2017-12-05Q1762919003ND
2017-12-05Q1762919002ND
2018-02-06Q1804974006ND
2018-02-06Q1804974001ND
2018-05-04Q1818259004ND
2018-05-04Q1818259007ND
2018-10-15Q1840862013ND
2018-10-15Q1840862007ND
2018-10-15Q1840862011ND
2018-10-15Q1840862009ND
2019-08-13Q1954236010ND
2019-08-13Q1954236018ND
2019-08-13Q1954236016ND
2019-08-13Q1954236014ND
2019-08-13Q1954236012ND