Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,2,2-Tetrachloroethane

Old Egypt Subdivision

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND30ND
2019ND60ND

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
2014-07-14AC59516ND
2014-07-14AC59518ND
2014-07-14AC59522ND
2014-08-13AC63417ND
2014-08-13AC63423ND
2014-08-13AC63421ND
2015-05-05AC90556ND
2015-05-05AC90560ND
2015-05-05AC90558ND
2016-02-17AD23975ND
2016-02-17AD23973ND
2016-02-17AD23947ND
2017-07-26AD90869ND
2017-07-26AD90865ND
2017-07-26AD90861ND
2018-04-26AE24166ND
2018-04-26AE24162ND
2018-04-26AE24152ND
2019-04-16AE62570ND
2019-04-16AE62568ND
2019-04-16AE62560ND
2019-04-16AE62562ND
2019-07-11AE74188ND
2019-12-06AE91686ND