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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

Three Valleys Municipal Water 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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND10ND
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
2012-04-173761-002-1100ND
2012-08-153761-002-1000ND
2013-04-163761-002-0950ND
2013-08-203761-002-0950ND
2014-04-153761-002-0000ND
2015-04-213761-002-0845ND
2016-04-193761-002-0745ND
2016-05-173761-004-1015ND
2017-04-183761-002-1230ND