Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,2,2-Tetrachloroethane

Monona Waterworks

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2014-09-02154323001ND
2014-09-02154276001ND
2014-09-05155135001ND
2014-09-25159907001ND
2014-12-12172471001ND
2015-01-30177607001ND
2015-06-16199937001ND
2015-07-14205376001ND
2015-07-14205378001ND
2015-11-17228870001ND
2016-02-01237611001ND
2016-04-06247252001ND
2016-07-07264567001ND
2016-09-28280796001ND
2016-10-20285154001ND
2017-03-30306799001ND
2017-04-13309656001ND
2017-04-13309655001ND
2017-04-13309654001ND
2017-09-22344258001ND
2018-07-11393604001ND
2018-09-25410134001ND
2019-04-24442084001ND
2019-09-05467810001ND