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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Ozark Utilities Board

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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND70ND
2016ND140ND
2017ND40ND
2018ND20ND
2019ND170ND

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
2014-02-18AA88517ND
2014-02-20AA88516ND
2014-04-17AA89210ND
2014-04-17AA89209ND
2014-06-17AA90103ND
2014-06-17AA90104ND
2014-08-04AA90909ND
2014-08-06AA90910ND
2014-11-06AA92639ND
2014-11-06AA92638ND
2015-03-04AB02429ND
2015-03-04AB02431ND
2015-03-04AB02430ND
2015-06-02AB04709ND
2015-06-02AB04710ND
2015-08-19AB07042ND
2015-08-19AB07043ND
2016-02-18AB10062ND
2016-02-18AB10064ND
2016-02-18AB10070ND
2016-02-18AB10066ND
2016-02-18AB10065ND
2016-02-18AB10069ND
2016-02-18AB10068ND
2016-06-13AB12399ND
2016-06-13AB12397ND
2016-06-13AB12403ND
2016-06-13AB12402ND
2016-06-13AB12398ND
2016-06-13AB12401ND
2016-06-13AB12400ND
2017-05-24AB19648ND
2017-05-24AB19649ND
2017-05-24AB19646ND
2017-05-24AB19647ND
2018-06-13AB27747ND
2018-06-13AB27748ND
2019-02-07AB32891ND
2019-02-07AB32893ND
2019-02-07AB32888ND
2019-02-07AB32889ND
2019-02-07AB32890ND
2019-02-07AB32892ND
2019-02-07AB32894ND
2019-06-19AB36112ND
2019-06-19AB36117ND
2019-06-19AB36113ND
2019-06-19AB36115ND
2019-06-19AB36116ND
2019-06-19AB36114ND
2019-11-21AB40306ND
2019-11-21AB40307ND
2019-11-21AB40305ND
2019-11-21AB40304ND