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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

City of San Diego

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.

 

63

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND90ND
2015ND110ND
2016ND120ND
2017ND90ND
2018ND160ND

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
2014-02-059437-010-0000ND
2014-02-059437-006-0000ND
2014-02-059437-001-0000ND
2014-05-079437-010-0000ND
2014-05-079437-006-0000ND
2014-05-079437-001-0000ND
2014-11-059437-010-0000ND
2014-11-059437-006-0000ND
2014-11-059437-001-0000ND
2015-02-049437-001-0000ND
2015-02-049437-010-0000ND
2015-05-069437-001-0000ND
2015-05-069437-010-0000ND
2015-05-069437-006-0000ND
2015-08-059437-001-0000ND
2015-08-059437-006-0000ND
2015-08-059437-010-0000ND
2015-11-189437-001-0000ND
2015-11-189437-006-0000ND
2015-11-189437-010-0000ND
2016-02-089437-001-0000ND
2016-02-089437-006-0000ND
2016-02-089437-010-0000ND
2016-05-049437-010-0000ND
2016-05-049437-001-0000ND
2016-05-049437-006-0000ND
2016-08-049437-001-0000ND
2016-08-049437-010-0000ND
2016-08-049437-006-0000ND
2016-11-029437-001-0000ND
2016-11-029437-010-0000ND
2016-11-029437-006-0000ND
2017-02-019437-001-0000ND
2017-02-019437-010-0000ND
2017-02-019437-006-0000ND
2017-05-039437-006-0000ND
2017-05-039437-010-0000ND
2017-05-039437-001-0000ND
2017-11-019437-010-0000ND
2017-11-019437-001-0000ND
2017-11-019437-006-0000ND
2018-02-079437-010-0000ND
2018-02-079437-030-0000ND
2018-02-079437-001-0000ND
2018-02-079437-006-0000ND
2018-05-099437-030-0000ND
2018-05-219437-010-0000ND
2018-05-219437-006-0000ND
2018-05-219437-001-0000ND
2018-08-019437-010-0000ND
2018-08-019437-001-0000ND
2018-08-019437-006-0000ND
2018-09-059437-030-0000ND
2018-11-149437-030-0000ND
2018-11-149437-006-0000ND
2018-11-149437-001-0000ND
2018-11-149437-010-0000ND
2019-05-089437-006-0000ND
2019-05-089437-010-0000ND
2019-05-089437-001-0000ND
2019-08-079437-006-0000ND
2019-08-079437-010-0000ND
2019-08-079437-001-0000ND