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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Tarkington Special Utility District

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND40ND
2016ND60ND
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
2015-05-19AC92611ND
2015-05-19AC92613ND
2015-09-25AD08776ND
2015-10-08AD10032ND
2016-03-21AD29623ND
2016-03-21AD29635ND
2016-03-21AD29589ND
2016-03-21AD29587ND
2016-09-26AD51148ND
2016-10-20AD54099ND
2017-09-11AD95513ND
2017-09-11AD95515ND
2018-07-18AE33808ND
2018-07-18AE33806ND
2019-03-19AE59021ND
2019-03-19AE59027ND