Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1,2-Tetrachloroethane

Windermere Community

1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.

MORE ABOUT THIS CONTAMINANT

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND60ND
2017ND70ND
2018ND70ND
2019ND60ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppb

The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-12AC46775ND
2014-03-12AC46777ND
2014-06-24AC57792ND
2014-06-24AC57798ND
2014-08-27AC65279ND
2015-08-05AD02685ND
2015-08-05AD02687ND
2015-08-05AD02683ND
2015-08-05AD02689ND
2015-08-05AD02693ND
2016-02-09AD22758ND
2016-04-27AD34470ND
2016-04-27AD34468ND
2016-04-27AD34466ND
2016-04-27AD34476ND
2016-09-06AD47927ND
2017-03-13AD74666ND
2017-05-01AD81860ND
2017-05-01AD81848ND
2017-09-18AD96553ND
2017-12-05AE06748ND
2017-12-05AE06750ND
2017-12-07AE07245ND
2018-02-12AE13274ND
2018-02-12AE13278ND
2018-02-12AE13284ND
2018-02-12AE13276ND
2018-02-12AE13280ND
2018-02-12AE13282ND
2018-04-04AE21214ND
2019-01-22AE50702ND
2019-01-22AE50706ND
2019-01-22AE50700ND
2019-01-22AE50704ND
2019-05-06AE64938ND
2019-08-07AE77513ND