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EWG's Tap Water Database — 2021 UPDATE

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1,1,1,2-Tetrachloroethane

City of Bay City

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

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34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND50ND
2016ND90ND
2017ND50ND
2018ND50ND
2019ND90ND

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
2014-02-19AC43590ND
2015-01-29AC78531ND
2015-01-29AC78515ND
2015-01-29AC78519ND
2015-01-29AC78521ND
2015-01-29AC78511ND
2016-02-25AD25753ND
2016-02-25AD25767ND
2016-02-25AD25759ND
2016-02-25AD25763ND
2016-03-21AD29571ND
2016-06-02AD39201ND
2016-07-21AD45233ND
2016-09-19AD50155ND
2016-11-16AD58355ND
2017-01-25AD66852ND
2017-01-25AD66846ND
2017-03-06AD73481ND
2017-03-06AD73461ND
2017-03-06AD73479ND
2018-01-09AE08373ND
2018-01-09AE08407ND
2018-01-09AE08375ND
2018-01-09AE08379ND
2018-01-09AE08359ND
2019-02-07AE53490ND
2019-02-07AE53492ND
2019-02-07AE53498ND
2019-02-07AE53488ND
2019-02-07AE53496ND
2019-04-29AE63953ND
2019-04-29AE63951ND
2019-08-06AE77279ND
2019-08-06AE77273ND