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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

Golden State Water Company (GSWC) - San Dimas

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
2015ND160ND
2016ND10ND
2017ND10ND

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
2015-01-215A21031-11AND
2015-01-215A21031-09AND
2015-01-215A21031-03AND
2015-01-215A21031-05AND
2015-01-215A21031-01AND
2015-01-215A21031-07AND
2015-04-175D17033-01AND
2015-04-175D17033-03AND
2015-07-215G21057-07AND
2015-07-215G21057-11AND
2015-07-215G21057-09AND
2015-07-215G21057-05AND
2015-07-215G21057-01AND
2015-07-215G21057-03AND
2015-10-205J21034-01AND
2015-10-205J21034-03AND
2016-08-159588-014-0850ND
2017-05-239590-051-1043ND