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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Weston Municipal Utilities

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND50ND
2016ND10ND
2017ND50ND
2018ND10ND
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
2014-03-25776472ND
2014-03-25776475ND
2014-03-25776482ND
2014-03-25776485ND
2014-03-25776479ND
2014-08-21812595-12180ND
2014-08-21812583-12189ND
2014-08-21812599-12180ND
2014-08-21812591-12180ND
2014-08-21812587-12180ND
2015-02-19844543-13504ND
2015-02-19844539-13504ND
2015-02-19844555-13504ND
2015-02-19844547-13504ND
2015-03-18849080ND
2016-03-15910347ND
2017-04-18983865ND
2017-04-18983868ND
2017-04-18983874ND
2017-04-18983840ND
2017-04-18983871ND
2018-05-211056552ND
2019-04-151115122ND