Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,2,2-Tetrachloroethane

Canton Water Department (MWRA)

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND50ND
2017ND50ND
2018ND40ND
2019ND50ND

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 Result
2014-01-14ND
2014-01-14ND
2014-04-23ND
2014-08-27ND
2014-10-23ND
2015-02-04ND
2015-02-04ND
2015-05-21ND
2015-08-18ND
2015-12-09ND
2016-01-19ND
2016-01-19ND
2016-04-19ND
2016-08-25ND
2016-10-17ND
2017-02-27ND
2017-02-27ND
2017-06-28ND
2017-08-30ND
2017-11-14ND
2018-03-09ND
2018-03-09ND
2018-06-13ND
2018-09-07ND
2019-03-06ND
2019-03-06ND
2019-04-25ND
2019-07-08ND
2019-10-23ND