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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

Lafayette

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND20ND
2015ND140ND
2016ND20ND
2017ND20ND

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
2012-05-08AH59995ND
2012-05-08AH59996ND
2013-05-21AI02050ND
2013-05-21AI02051ND
2014-05-14AI40538ND
2014-05-14AI40539ND
2015-03-163206839ND
2015-03-163206861ND
2015-03-173208194ND
2015-04-07AI74279ND
2015-04-07AI74280ND
2015-06-093258220ND
2015-06-113260394ND
2015-06-153262291ND
2015-09-013313007ND
2015-09-013313029ND
2015-09-023314395ND
2015-12-073370075ND
2015-12-073370089ND
2015-12-093372177ND
2016-05-11AJ12003ND
2016-05-11AJ12002ND
2017-06-21AJ58196ND
2017-06-21AJ58195ND