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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Canyon Municipal Water System

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND30ND
2016ND30ND
2017ND40ND
2018ND30ND
2019ND30ND

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
2014-02-25Q1406007010ND
2014-02-25Q1406007008ND
2014-02-25Q1406007007ND
2014-02-25Q1406007004ND
2014-08-20Q1437974009ND
2015-09-16Q1536074002ND
2015-12-02Q1547887009ND
2015-12-02Q1547887007ND
2016-06-09Q1623378004ND
2016-06-09Q1623378002ND
2016-11-14Q1649341001ND
2017-02-09Q1705995015ND
2017-02-09Q1705995011ND
2017-05-04Q1718620007ND
2017-11-14Q1758291001ND
2018-02-15Q1806639007ND
2018-02-15Q1806639011ND
2018-05-17Q1820297001ND
2019-02-21Q1907705002ND
2019-05-16Q1926296001ND
2019-05-16Q1926296003ND