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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Alameda County 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.

MORE ABOUT THIS CONTAMINANT

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND150ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND160ND
2019ND80ND

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
2014-03-24201403250273AMND
2014-03-24201403250220AMND
2014-03-24201403250222AMND
2014-03-24201403250270AMND
2014-06-02201406030456AMND
2014-06-02201406030458AMND
2014-06-02201406030454AMND
2014-06-02201406030452AMND
2014-09-08201409090358AMND
2014-09-08201409090356AMND
2014-09-08201409090360AMND
2014-09-08201409090384AMND
2014-12-08201412090319AMND
2014-12-08201412090317AMND
2014-12-08201412090321AMND
2018-01-169590-040-0920ND
2018-01-169590-041-1025ND
2018-01-169590-053-1050ND
2018-01-179590-038-1020ND
2018-04-249590-053-0909ND
2018-04-249590-038-0900ND
2018-04-249590-040-0819ND
2018-04-249590-041-0908ND
2018-07-115867-038-0726ND
2018-07-115867-041-1250ND
2018-07-175867-053-0845ND
2018-07-175867-040-0850ND
2018-10-169590-053-1035ND
2018-10-169590-038-0950ND
2018-10-169590-040-0820ND
2018-10-169590-041-1005ND
2019-04-169590-038-0800ND
2019-04-239590-053-0745ND
2019-04-309590-041-0905ND
2019-06-049590-040-0815ND
2019-10-159590-040-0825ND
2019-10-159590-038-0925ND
2019-10-159590-041-0910ND
2019-10-159590-053-1000ND