Know Your Environment. Protect Your Health.

1,1,2,2-Tetrachloroethane

SNO PUD 1 - Lake Stevens

NOTE: SNO PUD 1 - Lake Stevens purchases water from City of Everett Public Works Department which is required to test for 1,1,2,2-tetrachloroethane. Sample information shown below was taken by City of Everett Public Works 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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020N/A00N/A
2021ND10ND
2022ND20ND
2023ND10ND

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

NOTE: SNO PUD 1 - Lake Stevens purchases water from City of Everett Public Works Department which is required to test for 1,1,2,2-tetrachloroethane. Sample information shown below was taken by City of Everett Public Works Department.

Date Lab ID Result
2018-06-12ND
2019-06-11ND
2021-06-284139234ND
2022-06-224325407ND
2023-06-154531531ND