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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

Matagorda County Water Control and Improvement District 5

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013N/A00N/A
2014N/A00N/A
2015ND20ND
2016ND30ND
2017ND70ND

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
2012-10-30AC04223ND
2015-05-21AC93113ND
2015-05-21AC93033ND
2016-07-21AD45259ND
2016-12-05AD60403ND
2016-12-27AD62733ND
2017-02-08AD69628ND
2017-03-28AD77208ND
2017-03-28AD77166ND
2017-05-18AD84927ND
2017-05-18AD84895ND
2017-07-31AD91437ND
2017-07-31AD91407ND