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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Desert Water Agency

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.

MORE ABOUT THIS CONTAMINANT

 

60

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND310ND
2017ND10ND
2018ND30ND
2019ND220ND

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
2014-03-123761-034-0715ND
2014-06-253761-060-1045ND
2015-08-043761-041-0930ND
2016-03-103761-008-1000ND
2016-03-303761-034-0940ND
2016-05-043761-060-0935ND
2016-05-043761-043-1030ND
2016-05-113761-022-1045ND
2016-05-113761-015-1015ND
2016-05-113761-026-1125ND
2016-05-183761-030-1100ND
2016-05-183761-029-1030ND
2016-06-083761-044-0945ND
2016-06-083761-024-1015ND
2016-06-153761-017-1125ND
2016-06-153761-046-1045ND
2016-06-153761-033-0000ND
2016-06-153761-018-1150ND
2016-06-293761-040-1130ND
2016-07-133761-025-0930ND
2016-07-133761-020-1200ND
2016-07-133761-010-1115ND
2016-07-203761-039-1110ND
2016-07-213761-031-1025ND
2016-07-273761-027-1015ND
2016-08-173761-060-1140ND
2016-08-173761-034-0950ND
2016-08-173761-038-1100ND
2016-09-073761-032-0930ND
2016-09-073761-047-1010ND
2016-09-073761-028-1100ND
2016-09-293761-045-0925ND
2016-09-293761-019-0935ND
2016-11-169590-060-1030ND
2017-02-223761-060-1110ND
2018-01-193761-033-1110ND
2018-01-193761-040-0750ND
2018-08-153761-034-0645ND
2019-05-244790-060-1345ND
2019-05-244790-043-0930ND
2019-05-244790-031-0730ND
2019-05-244790-030-0955ND
2019-05-244790-029-1410ND
2019-06-194790-033-1430ND
2019-06-194790-044-1150ND
2019-06-194790-026-1300ND
2019-06-194790-046-1110ND
2019-07-104790-040-0950ND
2019-07-244790-039-0730ND
2019-07-244790-025-1000ND
2019-07-244790-031-1030ND
2019-07-254790-024-0200ND
2019-08-064790-038-1020ND
2019-08-064790-034-0745ND
2019-08-294790-047-0740ND
2019-08-294790-045-0940ND
2019-08-294790-032-1105ND
2019-08-294790-019-1025ND
2019-09-244790-037-0740ND
2019-10-174790-027-0645ND