Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,2,2-Tetrachloroethane

Sativa-L.A. County Water District

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND30ND
2016ND30ND
2017ND30ND
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
2014-01-279588-001-1153ND
2014-04-079588-005-1145ND
2014-04-079588-002-1200ND
2014-04-249588-005-1050ND
2014-04-249588-002-1110ND
2015-01-059588-001-0950ND
2015-04-069588-005-0940ND
2015-09-189588-002-0850ND
2016-03-229588-001-1110ND
2016-04-049588-005-1010ND
2016-07-119588-002-1020ND
2017-02-079588-001-1000ND
2017-05-019588-005-0955ND
2017-07-149588-002-1010ND
2018-04-129588-005-1035ND
2018-07-319588-002-0940ND
2019-04-019588-005-0858ND
2019-07-019588-002-0957ND