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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

Cal-am Water Company - Duarte

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.

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND270ND
2014ND60ND
2015N/A00N/A
2016ND70ND
2017N/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
2012-08-081225-019-1150ND
2012-09-261225-019-0840ND
2013-02-041225-019-0905ND
2013-03-0621126801ND
2013-03-0621127101ND
2013-03-0621127001ND
2013-03-1221126901ND
2013-03-1221126401ND
2013-03-1321127201ND
2013-03-1321126501ND
2013-03-1321269901ND
2013-07-311225-019-1150ND
2013-09-1023394501ND
2013-09-1023394901ND
2013-09-1023394801ND
2013-09-1023394601ND
2013-09-1023394701ND
2013-09-1023394201ND
2013-09-1023394301ND
2013-09-1023394401ND
2013-09-181225-010-1150ND
2013-09-181225-019-0850ND
2013-09-181225-009-1025ND
2013-09-181225-007-0950ND
2013-09-181225-004-1045ND
2013-09-181225-003-1010ND
2013-10-091225-002-1055ND
2013-10-091225-008-1020ND
2013-12-181225-019-1120ND
2014-06-231225-002-1300ND
2014-06-231225-010-1330ND
2014-06-231225-009-1135ND
2014-06-231225-008-1235ND
2014-06-231225-007-1040ND
2014-06-231225-003-1110ND
2016-09-079588-010-1315ND
2016-09-079588-019-1230ND
2016-09-079588-009-1400ND
2016-09-079588-008-1345ND
2016-09-079588-007-1245ND
2016-09-079588-003-1305ND
2016-09-079588-002-1330ND