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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

City of Torrance Water Department

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

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015ND30ND
2016ND20ND
2017N/A00N/A
2018ND120ND
2019ND70ND

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
2014-04-304D30063-01AND
2014-04-304D30063-03AND
2014-04-304D30063-07AND
2014-04-304D30063-05AND
2014-07-304G30080-01AND
2014-10-284J28082-01AND
2014-11-254K25091-01AND
2015-01-285A28062-01AND
2015-03-305C30051-01AND
2015-03-305C30051-03AND
2016-05-129588-016-0930ND
2016-05-129588-009-0906ND
2018-01-309588-016-0930ND
2018-02-239588-024-0955ND
2018-02-239588-023-0935ND
2018-04-199588-016-0950ND
2018-06-149588-023-1012ND
2018-06-149588-024-0935ND
2018-08-029588-024-0933ND
2018-08-029588-023-1000ND
2018-08-029588-016-1030ND
2018-11-089588-024-1037ND
2018-11-089588-016-1005ND
2018-11-089588-023-0948ND
2019-01-239588-024-0940ND
2019-01-239588-016-1033ND
2019-01-239588-023-1010ND
2019-05-019588-024-0934ND
2019-05-019588-016-0957ND
2019-08-149588-016-1130ND
2019-08-149588-023-0955ND