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EWG's Tap Water Database

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1,2,3-Trichloropropane

La Puente Valley 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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND20ND
2011N/A00N/A
2012ND10ND
2013ND20ND
2014ND20ND
2015ND10ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.0007 ppb

The 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
2010-03-089588-013-0830ND
2010-08-109588-013-1045ND
2012-11-159588-013-1250ND
2013-07-259588-013-1645ND
2013-07-269588-013-1430ND
2014-10-239588-013-1502ND
2014-11-109588-013-1132ND
2015-07-299588-013-1237ND