Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,2,2-Tetrachloroethane

Park WC - Compton

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND10ND
2016ND10ND
2017ND20ND
2018ND10ND
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
2014-01-169588-016-1400ND
2014-04-179588-016-0820ND
2014-07-109588-016-1000ND
2015-07-169588-016-0925ND
2016-07-149588-016-1008ND
2017-01-129588-016-1201ND
2017-11-309588-016-1201ND
2018-02-019588-016-1205ND
2019-02-139588-016-1130ND
2019-05-159588-016-1123ND
2019-07-309588-018-1030ND
2019-08-139588-016-1215ND
2019-10-239588-018-1045ND
2019-11-129588-016-1430ND