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EWG's Tap Water Database — 2019 UPDATE

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1,1,2,2-Tetrachloroethane

West Sound Utility District #1

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
2015ND10ND
2016N/A00N/A
2017ND200ND

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
2015-04-1501027ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-12ND
2017-04-12ND
2017-04-12ND
2017-04-12ND
2017-04-12ND
2017-05-25ND
2017-06-29ND
2017-06-29ND
2017-06-29ND
2017-08-04ND
2017-08-04ND
2017-08-25ND
2017-09-07ND
2017-09-07ND
2017-11-22ND