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EWG's Tap Water Database — 2019 UPDATE

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1,1,2,2-Tetrachloroethane

Galveston County WCID 1

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND30ND
2014ND30ND
2015ND30ND
2016ND50ND
2017ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane 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
2013-02-05AC09710ND
2013-02-05AC09706ND
2013-02-05AC09708ND
2014-06-03AC55813ND
2014-06-03AC55811ND
2014-06-03AC55805ND
2015-01-15AC76462ND
2015-01-15AC76456ND
2015-01-15AC76466ND
2016-01-26AD20090ND
2016-01-26AD20084ND
2016-06-27AD41911ND
2016-09-29AD52074ND
2016-11-29AD59385ND
2017-01-26AD67185ND
2017-01-26AD67177ND
2017-01-26AD67201ND
2017-04-25AD81207ND