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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Jefferson County Water Control and Improvement District 10

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND50ND
2017ND10ND
2018ND10ND
2019ND20ND

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
2014-07-22AC60503ND
2015-08-14AD04371ND
2016-02-01AD21183ND
2016-03-22AD30133ND
2016-04-25AD33963ND
2016-09-28AD52082ND
2016-12-07AD61202ND
2017-01-30AD67591ND
2018-01-31AE11563ND
2019-02-21AE55356ND
2019-02-21AE55374ND