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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethane

Butte-Silver Bow Water Department

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

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND60ND
2014ND90ND
2015ND50ND
2016ND30ND
2017ND30ND
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
2013-07-10201303437ND
2013-07-10201303441ND
2013-07-10201303439ND
2013-10-17201305594ND
2013-10-17201305596ND
2013-10-30201305879ND
2014-01-16201400283ND
2014-01-16201400287ND
2014-01-16201400285ND
2014-02-24B14021519-002END
2014-02-24B14021519-003END
2014-02-24B14021519-001END
2014-04-28201401597ND
2014-04-28201401601ND
2014-04-28201401599ND
2015-02-24B15021845-002CND
2015-02-24B15021845-003CND
2015-02-24B15021845-001CND
2015-11-19201507026ND
2015-11-19201507027ND
2016-02-22B16021667-003CND
2016-02-22B16021667-002CND
2016-02-22B16021667-001CND
2017-06-20B17061971-002END
2017-06-20B17061971-001END
2017-06-20B17061971-003END
2018-03-13B18031136-003CND
2018-03-13B18031136-002CND
2018-03-13B18031136-001CND
2019-03-25B19032022-001CND
2019-03-25B19032022-003CND
2019-03-25B19032022-002CND