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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Whitharral Water Supply Corporation

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
2014ND10ND
2015ND10ND
2016ND20ND
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
2014-01-16Q1401282006ND
2015-04-23Q1515346002ND
2016-01-12Q1600911001ND
2016-01-12Q1600911004ND
2017-01-19Q1702545003ND
2018-01-18Q1802084002ND
2019-04-08Q1913973001ND
2019-04-08Q1913973003ND