Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,2,2-Tetrachloroethane

Bleich Flat Mutual Water Company

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND120ND
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019N/A00N/A

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
2014-12-215867-004-1500ND
2014-12-215867-003-1440ND
2014-12-215867-002-1420ND
2014-12-215867-001-1400ND
2015-03-185867-001-1855ND
2015-03-185867-002-1900ND
2015-03-185867-003-1904ND
2015-03-185867-004-1908ND
2015-06-015867-001-1750ND
2015-06-015867-004-1800ND
2015-06-015867-003-1740ND
2015-06-015867-002-1734ND
2015-09-135867-003-1755ND
2015-09-135867-004-1805ND
2015-09-135867-002-1825ND
2015-09-135867-001-1819ND
2018-07-085867-004-2008ND
2018-07-085867-002-1938ND