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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

City of La Habra

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

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND80ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND100ND
2019ND110ND

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
2013-03-19201303190285AMND
2013-03-19201303190287AMND
2013-04-30201304300201AMND
2013-06-18201306190029AMND
2013-09-04201309040558AMND
2013-09-04201309040564AMND
2013-10-18201310180385AMND
2013-12-13201312130553AMND
2018-02-053761-031-1128ND
2018-02-053761-028-1248ND
2018-02-163761-004-1320ND
2018-02-163761-005-1335ND
2018-05-073761-028-1150ND
2018-05-073761-031-1413ND
2018-08-103761-028-1030ND
2018-08-103761-031-1215ND
2018-11-073761-028-1354ND
2018-11-073761-031-1408ND
2019-02-253761-004-1358ND
2019-02-253761-005-1400ND
2019-05-153761-005-1046ND
2019-08-073761-005-0933ND
2019-09-113761-031-1100ND
2019-09-113761-028-1025ND
2019-09-113761-004-1140ND
2019-11-253761-005-1116ND
2019-12-043761-031-1008ND
2019-12-043761-028-1028ND
2019-12-043761-004-0000ND