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EWG's Tap Water Database — 2021 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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND20ND
2017ND10ND
2018ND60ND
2019ND20ND

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
2014-04-153761-002-0000ND
2015-04-213761-002-0845ND
2016-04-193761-002-0745ND
2016-05-173761-004-1015ND
2017-04-183761-002-1230ND
2018-03-159590-004-0900ND
2018-04-183761-002-0824ND
2018-04-189590-004-0845ND
2018-05-249590-004-0830ND
2018-08-155867-004-0745ND
2018-12-149590-004-0902ND
2019-04-163761-002-0925ND
2019-09-173761-002-1005ND