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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Waialee-sunset Beach

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015N/A00N/A
2016ND10ND
2017ND50ND
2018ND20ND
2019ND10ND

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
2014-02-19201402210361ND
2014-02-20201402220088ND
2014-07-21201407230664ND
2014-07-21201407230666ND
2014-10-31201411040537ND
2014-10-31201411040538ND
2014-11-12201411140850ND
2016-07-05ND
2017-01-04ND
2017-02-23ND
2017-10-10ND
2017-10-31ND
2017-10-31ND
2018-04-25201804300496ND
2018-08-13201808160452ND
2019-02-19201902210382ND