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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

La Habra Heights 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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND50ND
2017N/A00N/A
2018ND160ND
2019ND120ND

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
2016-07-139588-005-0907ND
2016-07-139588-010-0840ND
2016-07-139588-006-0857ND
2016-09-159588-009-1110ND
2016-10-189588-009-0950ND
2018-01-119588-005-0859ND
2018-01-119588-010-0841ND
2018-01-119588-009-0847ND
2018-03-219588-006-0926ND
2018-04-109588-006-0957ND
2018-04-109588-010-0935ND
2018-04-109588-005-1010ND
2018-04-109588-009-0942ND
2018-07-209588-009-0930ND
2018-07-209588-010-0947ND
2018-07-209588-005-1000ND
2018-07-209588-006-1014ND
2018-10-199588-005-1020ND
2018-10-199588-009-0935ND
2018-10-199588-006-1040ND
2018-10-199588-010-0945ND
2019-02-219588-005-0900ND
2019-02-219588-009-0842ND
2019-02-219588-006-0908ND
2019-02-269588-010-0914ND
2019-05-109588-010-0902ND
2019-05-109588-009-0846ND
2019-05-109588-006-0944ND
2019-05-299588-005-0830ND
2019-07-229588-010-0844ND
2019-07-229588-009-0850ND
2019-07-229588-005-0919ND
2019-07-229588-006-0905ND