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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Hudson Waterworks

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
2014ND50ND
2015ND10ND
2016N/A00N/A
2017ND50ND
2018ND20ND
2019ND30ND

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
2014-03-26776792ND
2014-03-26776786ND
2014-03-26776789ND
2014-03-31777341ND
2014-06-16797090ND
2015-02-04841974ND
2017-04-03980883ND
2017-04-03980874ND
2017-04-03980878ND
2017-04-04981146ND
2017-04-05981439ND
2018-06-251063650ND
2018-10-231088635ND
2019-02-261106795ND
2019-05-081119849ND
2019-08-061139065ND