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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Tuscaloosa Water & Sewer

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND10ND
2017ND20ND
2018ND50ND
2019ND40ND

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
2014-01-16140116033-2ND
2014-01-16140116033-1ND
2015-01-22150122022-2ND
2016-07-21160721028-002ND
2017-01-19170119025-1ND
2017-01-19170119025-2ND
2018-01-18180118015-1ND
2018-01-18180118015-2ND
2018-07-19180719026-003ND
2018-07-19180719026-001ND
2018-07-19180719026-002ND
2019-01-2419010606-001AND
2019-01-2419010606-002AND
2019-01-2419010606-003AND
2019-01-2419010606-005AND