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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

East Rio Hondo WSC

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND70ND
2014ND20ND
2015ND10ND
2016ND20ND
2017ND10ND

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
2012-07-171207591005ND
2013-01-17AC08254ND
2013-09-10AC29698ND
2013-09-10AC29674ND
2013-09-30Q1308427009ND
2013-09-30Q1308427005ND
2013-09-30Q1308427001ND
2013-12-19Q1319042001ND
2014-06-24Q1423172001ND
2014-09-09AC66293ND
2015-09-23AD08313ND
2016-02-25AD25827ND
2016-09-27AD51521ND
2017-09-07AD95168ND