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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Sjra Grp Sw Treatment Plant

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
2014N/A00N/A
2015N/A00N/A
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
2016-04-12AD32829ND
2016-04-12AD32827ND
2016-09-16AD50113ND
2016-09-16AD50115ND
2016-12-02AD60335ND
2016-12-02AD60339ND
2017-01-19AD65781ND
2017-01-19AD65775ND
2018-01-26AE11026ND
2018-01-26AE11030ND
2019-01-28AE51682ND
2019-01-28AE51676ND