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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Hillview Village

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND30ND
2018ND20ND
2019ND10ND

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
2014-08-122014 POC - WELLND
2015-06-231508989-001ND
2016-05-252016 POC-1600024ND
2017-06-271709680-001ND
2017-08-02EHS1700039797-SRND
2017-08-02EHS1700039798ND
2018-04-241805916-001ND
2018-05-29EHS1800023081-SRND
2019-07-22EHS1900036966-SRND