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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Suburban Water Systems - San Jose Hills

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

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND110ND
2014ND110ND
2015N/A00N/A
2016ND20ND
2017N/A00N/A
2018ND80ND
2019N/A00N/A

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
2013-07-173G17071-05AND
2013-07-173G17071-07AND
2013-07-173G17071-03AND
2013-07-173G17071-01AND
2013-07-173G17071-09AND
2013-07-173G17071-11AND
2013-07-183G18052-01AND
2013-07-253G25022-01AND
2013-10-243J24046-01AND
2013-10-243J24046-03AND
2013-10-293J29008-01AND
2014-01-174A17030-01AND
2014-01-214A21011-07AND
2014-01-214A21011-01AND
2014-01-214A21011-03AND
2014-01-214A21011-11AND
2014-01-214A21011-05AND
2014-01-214A21011-09AND
2014-04-144D14035-01AND
2014-04-164D16085-01AND
2014-09-254I25064-01AND
2014-12-044L04105-01AND
2016-08-239588-065-0830ND
2016-08-239588-075-0835ND
2018-02-159588-075-0855ND
2018-02-159588-065-0850ND
2018-05-309588-075-0900ND
2018-05-309588-065-0855ND
2018-08-109588-075-0855ND
2018-08-109588-065-0845ND
2018-11-199588-075-0840ND
2018-11-199588-065-0835ND