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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Csa 70 W-4 Pioneertown

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017ND20ND
2018ND240ND
2019ND30ND

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
2017-10-233761-001-1000ND
2017-10-233761-008-1030ND
2018-02-143761-001-0945ND
2018-02-143761-009-1030ND
2018-02-143761-008-1010ND
2018-02-143761-007-1050ND
2018-02-143761-002-0930ND
2018-04-183761-002-0930ND
2018-04-183761-008-1030ND
2018-04-183761-007-1110ND
2018-04-183761-001-1000ND
2018-04-183761-009-1050ND
2018-07-253761-009-1030ND
2018-07-253761-002-0920ND
2018-07-253761-007-1045ND
2018-07-253761-001-0940ND
2018-07-253761-008-1015ND
2018-10-173761-009-1045ND
2018-10-173761-002-0930ND
2018-10-173761-001-0950ND
2018-10-173761-008-1030ND
2018-11-063761-008-1050ND
2018-11-063761-009-1110ND
2018-11-063761-007-1130ND
2018-11-063761-001-1000ND
2018-11-063761-002-1020ND
2019-06-103761-002-1400ND
2019-09-303761-002-1200ND
2019-11-053761-002-1300ND