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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

East Valley Water District

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.

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND180ND
2017ND20ND
2018ND10ND
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
2014-02-213761-036-0745ND
2014-07-233761-028-1130ND
2015-03-243761-036-0745ND
2016-01-053761-036-1003ND
2016-03-013761-033-0753ND
2016-03-013761-053-0820ND
2016-03-013761-015-0744ND
2016-03-013761-032-0806ND
2016-03-013761-031-0841ND
2016-03-013761-024-0855ND
2016-03-013761-016-0829ND
2016-03-013761-021-0915ND
2016-03-013761-017-1000ND
2016-03-013761-020-0924ND
2016-03-023761-055-0913ND
2016-03-023761-046-0811ND
2016-03-023761-042-0747ND
2016-03-023761-039-0821ND
2016-03-033761-023-0900ND
2016-03-033761-047-0505ND
2016-03-033761-019-0823ND
2017-01-053761-036-0820ND
2017-12-053761-028-0850ND
2018-01-053761-036-0752ND
2019-01-033761-036-0830ND
2019-03-053761-033-0735ND
2019-03-053761-017-0807ND
2019-03-053761-032-0750ND
2019-03-053761-020-0818ND
2019-03-123761-021-0808ND
2019-03-123761-023-0754ND
2019-03-123761-042-0729ND
2019-03-123761-024-0820ND
2019-03-123761-047-0753ND
2019-03-193761-015-0734ND
2019-03-193761-053-0751ND
2019-03-193761-031-0759ND
2019-03-193761-019-0825ND
2019-03-263761-055-1014ND
2019-03-263761-039-0955ND
2019-06-213761-046-0810ND