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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

California Water Service Company-Lancaster

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.

 

7

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
2013ND20ND
2014ND30ND
2015N/A00N/A
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
2013-06-035810-005-0945ND
2013-06-195701-005-1030ND
2014-05-135701-001-1149ND
2014-05-205701-001-1000ND
2014-06-245701-005-1112ND
2016-06-215701-005-1005ND
2017-05-165701-001-1254ND