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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Sundale Mutual Water Company A, B

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND20ND
2016ND20ND
2017N/A00N/A
2018N/A00N/A
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
2014-02-043761-005-1451ND
2014-03-113761-006-1542ND
2014-05-203761-005-1543ND
2015-04-073761-005-1601ND
2015-04-143761-006-1508ND
2016-06-213761-005-1516ND
2016-06-213761-006-1530ND
2019-01-293761-005-1340ND
2019-01-293761-006-1332ND