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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Golden State Water Company - Cordova

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.

 

46

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
2014ND80ND
2015ND70ND
2016ND70ND
2017ND60ND
2018ND150ND
2019ND30ND

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
2014-01-142706-030-0945ND
2014-01-142706-029-1305ND
2014-01-142706-028-0920ND
2014-01-142706-022-0845ND
2014-01-142706-019-1020ND
2014-01-142706-010-1140ND
2014-01-142706-008-1050ND
2014-03-042706-051-1121ND
2015-01-132706-022-0930ND
2015-01-132706-028-0940ND
2015-01-132706-030-0910ND
2015-01-132706-051-1233ND
2015-01-132706-019-1023ND
2015-01-132706-010-1157ND
2015-01-132706-008-1109ND
2016-02-022706-051-1220ND
2016-02-022706-008-1035ND
2016-02-022706-022-0920ND
2016-02-099590-010-1155ND
2016-02-099590-028-0955ND
2016-02-099590-019-1040ND
2016-02-099590-030-0925ND
2017-02-239590-028-0908ND
2017-02-239590-019-1050ND
2017-02-239590-030-0955ND
2017-03-079590-051-1144ND
2017-05-059590-010-1413ND
2017-05-259590-022-1010ND
2018-01-109590-030-1110ND
2018-01-109590-010-1419ND
2018-01-109590-019-1215ND
2018-01-109590-028-1139ND
2018-03-069590-051-1055ND
2018-03-069590-008-1211ND
2018-04-039590-019-1419ND
2018-04-039590-030-1309ND
2018-04-039590-028-1339ND
2018-04-039590-051-1150ND
2018-04-039590-010-1221ND
2018-04-039590-008-1238ND
2018-05-019590-022-0906ND
2018-08-219590-029-1044ND
2018-11-069590-022-0905ND
2019-01-089590-029-1047ND
2019-01-089590-019-1430ND
2019-01-089590-008-0943ND