Know Your Environment. Protect Your Health.

1,1,2,2-Tetrachloroethane

Littleton Water Department

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
2018ND70ND
2019ND70ND
2020ND70ND
2021ND90ND
2022ND90ND
2023ND110ND

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
2018-04-11ND
2018-05-01ND
2018-05-01ND
2018-05-01ND
2018-05-07ND
2018-05-07ND
2018-06-19ND
2019-05-01ND
2019-05-01ND
2019-05-01ND
2019-05-01ND
2019-05-30ND
2019-06-05ND
2019-06-17ND
2020-05-14ND
2020-05-14ND
2020-05-26ND
2020-05-26ND
2020-05-26ND
2020-05-26ND
2020-06-16ND
2021-04-05ND
2021-04-05ND
2021-04-05ND
2021-04-05ND
2021-04-05ND
2021-04-12ND
2021-06-09ND
2021-07-26ND
2021-10-21ND
2022-02-16ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2023-05-25ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-07-20ND
2023-10-04ND