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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

South Gate Water Department

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

 

52

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
2014ND180ND
2015ND80ND
2016ND60ND
2017ND70ND
2018ND70ND
2019ND60ND

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
2014-01-169588-007-1110ND
2014-01-169588-008-1120ND
2014-01-169588-016-1040ND
2014-01-169588-014-1330ND
2014-01-169588-009-1215ND
2014-04-179588-008-1145ND
2014-04-179588-007-1133ND
2014-04-179588-014-1325ND
2014-04-179588-009-1120ND
2014-07-249588-007-1150ND
2014-07-249588-008-1212ND
2014-07-249588-009-1130ND
2014-07-249588-014-1008ND
2014-07-249588-024-1253ND
2014-10-099588-009-1136ND
2014-10-099588-008-1152ND
2014-10-099588-014-1317ND
2014-10-099588-007-1201ND
2015-01-089588-014-1206ND
2015-01-089588-016-0948ND
2015-01-089588-009-1030ND
2015-01-089588-008-1055ND
2015-01-089588-007-1048ND
2015-04-099588-007-1124ND
2015-04-099588-008-1143ND
2015-07-099588-024-1015ND
2016-01-149588-016-1008ND
2016-01-149588-014-1217ND
2016-01-149588-009-1100ND
2016-04-149588-007-1121ND
2016-06-099588-008-0945ND
2016-07-149588-024-1058ND
2017-01-129588-016-1020ND
2017-01-129588-014-1122ND
2017-01-129588-009-1050ND
2017-05-109588-007-1024ND
2017-05-109588-008-1029ND
2017-07-129588-024-0936ND
2017-07-129588-009-1040ND
2018-01-109588-014-1109ND
2018-01-109588-016-1039ND
2018-03-299588-009-0857ND
2018-04-259588-009-0940ND
2018-04-259588-008-1020ND
2018-04-259588-007-1004ND
2018-07-239588-024-0912ND
2019-01-169588-016-1024ND
2019-01-169588-014-0846ND
2019-04-109588-009-1145ND
2019-04-109588-007-1005ND
2019-08-149588-008-1110ND
2019-11-209588-008-1045ND