Know Your Environment. Protect Your Health.

1,1,2,2-Tetrachloroethane

Mountain Regional Water Special Service District

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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND130ND
2020ND60ND
2021ND50ND
2022ND130ND
2023ND80ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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 Result
2018-03-20ND
2018-06-06ND
2018-06-20ND
2018-08-23ND
2018-09-05ND
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-24ND
2019-01-24ND
2019-01-24ND
2019-02-25ND
2019-02-25ND
2019-02-25ND
2019-03-20ND
2019-04-18ND
2019-11-14ND
2020-03-02ND
2020-07-14ND
2020-07-14ND
2020-09-21ND
2020-12-04ND
2020-12-30ND
2021-03-16ND
2021-06-03ND
2021-06-08ND
2021-08-04ND
2021-12-08ND
2022-02-17ND
2022-02-17ND
2022-02-17ND
2022-02-17ND
2022-05-04ND
2022-05-05ND
2022-05-05ND
2022-05-05ND
2022-08-04ND
2022-09-07ND
2022-12-06ND
2022-12-06ND
2022-12-07ND
2023-03-16ND
2023-06-21ND
2023-09-21ND
2023-11-06ND
2023-11-06ND
2023-11-06ND
2023-12-11ND
2023-12-11ND