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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

Browns Lake Mobile Home Ct

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-07-08144151002ND
2014-07-08144151001ND
2015-06-09198880001ND
2015-06-09198880003ND
2016-05-16254865001ND
2016-05-16254866001ND
2017-05-22317401001ND
2017-05-22317402001ND
2018-06-04386168001ND
2018-06-04386169001ND
2019-06-11451329001ND
2019-06-11451330001ND