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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethane

City of Humble

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

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND70ND
2014ND70ND
2015ND50ND
2016ND50ND
2017ND50ND
2018ND50ND
2019ND50ND

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
2013-09-162897698ND
2013-09-162897766ND
2013-09-162897707ND
2013-09-162897796ND
2013-09-162897739ND
2013-09-162897716ND
2013-12-032939520ND
2014-03-202997019ND
2014-03-202996227ND
2014-03-202995901ND
2014-03-202995835ND
2014-03-202996249ND
2014-03-202995721ND
2014-11-173140542ND
2015-01-20AC76796ND
2015-01-20AC76784ND
2015-01-20AC76780ND
2015-01-20AC76800ND
2015-01-20AC76798ND
2016-01-21AD19313ND
2016-01-21AD19307ND
2016-01-21AD19315ND
2016-01-21AD19317ND
2016-01-21AD19309ND
2017-01-05AD63231ND
2017-01-05AD63233ND
2017-01-05AD63235ND
2017-01-05AD63263ND
2017-04-21AD80683ND
2018-01-19AE09579ND
2018-01-19AE09595ND
2018-01-19AE09539ND
2018-04-03AE21021ND
2018-04-03AE21019ND
2019-01-15AE49863ND
2019-01-15AE49877ND
2019-01-15AE49873ND
2019-01-15AE49879ND
2019-01-15AE49853ND