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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Hulon Lakes Subdivision

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-01-22AC39835ND
2014-01-22AC39829ND
2015-02-24AC81703ND
2015-02-24AC81707ND
2015-03-25AC86040ND
2015-03-25AC86042ND
2016-01-26AD20080ND
2016-01-26AD20112ND
2016-01-26AD20070ND
2016-01-26AD20068ND
2017-09-21AD97405ND
2017-09-21AD97403ND
2017-09-21AD97401ND
2017-09-21AD97397ND
2018-07-05AE32442ND
2018-07-05AE32444ND
2018-07-05AE32440ND
2018-07-05AE32448ND
2019-10-09AE86145ND
2019-10-09AE86141ND
2019-10-09AE86143ND
2019-10-09AE86139ND