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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Clayton County Water Authority

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-02-10AI27790ND
2014-02-10AI27791ND
2015-02-17AI64997ND
2015-02-17AI64998ND
2016-02-05AJ05932ND
2016-02-05AJ05933ND
2017-04-18AJ53560ND
2017-04-18AJ53561ND
2018-02-01AJ82950ND
2018-02-01AJ82951ND
2019-03-06AK12718ND
2019-03-06AK12719ND