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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethane

Clear Lake City Water Authority

1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.

MORE ABOUT THIS CONTAMINANT

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND180ND
2014ND50ND
2015ND40ND
2016ND40ND
2017ND50ND
2018ND30ND
2019ND30ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 3 ppb

The EWG Health Guideline of 3 ppb for 1,1-dichloroethane 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
2013-04-09713556-8572ND
2013-04-09713558-8572ND
2013-04-09713562-8572ND
2013-04-09713554-8572ND
2013-04-09713542-8572ND
2013-04-09713560-8572ND
2013-04-09713544-8572ND
2013-07-10730591-9308ND
2013-07-10730585-9308ND
2013-07-10730593-9308ND
2013-07-10730595-9308ND
2013-10-08751283-10003ND
2013-10-08751296-10003ND
2013-10-08751262-10003ND
2013-10-08751275-10019ND
2013-10-08751367-10019ND
2013-10-08751267-10003ND
2013-10-08751277-10003ND
2014-01-08765716-10539ND
2014-01-08765714-10539ND
2014-01-08765722-10539ND
2014-01-08765736-10539ND
2014-02-26AC44797ND
2015-01-20AC76760ND
2015-01-20AC76766ND
2015-01-20AC76770ND
2015-01-20AC76758ND
2016-01-19AD18636ND
2016-01-19AD18634ND
2016-06-20AD41195ND
2016-06-20AD41193ND
2017-01-19AD65733ND
2017-03-08AD74033ND
2017-03-08AD74031ND
2017-03-08AD74035ND
2017-10-25AE02122ND
2018-02-20AE14467ND
2018-03-12AE17898ND
2018-04-24AE23717ND
2019-02-27AE56279ND
2019-02-27AE56261ND
2019-02-27AE56283ND