Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,2,2-Tetrachloroethane

Garrison Lake Pump 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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND70ND
2016ND30ND
2017ND50ND
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
2014-04-08S479130ND
2014-04-08S479058ND
2014-04-08S479056ND
2014-04-22S479066ND
2014-07-23L5171338-2ND
2014-08-25S479227ND
2014-08-25S479226ND
2014-10-20S481390ND
2015-01-27S580495ND
2015-04-20S588770ND
2015-05-27S612402ND
2015-07-30S601992ND
2015-08-14S614600ND
2015-08-14S614601ND
2015-10-19S602058ND
2016-04-01S659035ND
2016-08-11S670371ND
2016-08-11S670370ND
2017-04-07S614679ND
2017-04-07S614591ND
2017-04-07S614590ND
2017-08-18S737017ND
2017-08-18S730917ND
2018-04-13S770746ND
2018-04-18S769424ND
2019-08-06S865052ND
2019-08-06S865136ND