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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Maywood Mutual Water Company #2

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND30ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-04-109588-001-1045ND
2014-04-109588-002-1050ND
2015-04-029588-002-1124ND
2015-06-199588-001-1008ND
2015-07-109588-001-1145ND
2016-04-079588-001-1059ND
2016-04-079588-002-1045ND
2017-04-069588-001-1106ND
2017-04-069588-002-1128ND
2018-04-069588-002-1100ND
2018-05-049588-001-0920ND
2019-04-059588-002-0910ND
2019-05-039588-001-0917ND