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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethane

City of Henderson

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
2014ND90ND
2015ND60ND
2016ND40ND
2017ND100ND
2018ND70ND
2019ND60ND

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
2014-01-23Q1402243010ND
2014-07-30Q1432114001ND
2014-10-08Q1451902002ND
2014-11-20Q1456866005ND
2014-11-20Q1456866009ND
2014-11-20Q1456866011ND
2014-11-20Q1456866003ND
2014-11-20Q1456866001ND
2014-11-20Q1456866007ND
2015-01-14Q1500839010ND
2015-01-14Q1500839006ND
2015-02-19Q1506693001ND
2015-05-20Q1518661004ND
2015-05-20Q1518661002ND
2015-09-02Q1534303001ND
2016-01-27Q1603640017ND
2016-01-27Q1603640014ND
2016-04-04Q1613127001ND
2016-07-05Q1626745002ND
2017-04-17Q1715499006ND
2017-04-17Q1715499008ND
2017-04-17Q1715499003ND
2017-04-17Q1715499001ND
2017-05-19Q1720846005ND
2017-09-14Q1743706019ND
2017-09-14Q1743706009ND
2017-09-14Q1743706023ND
2017-12-07Q1763859016ND
2017-12-07Q1763859018ND
2018-03-13Q1810104001ND
2018-03-13Q1810104003ND
2018-03-26Q1812036008ND
2018-03-26Q1812036011ND
2018-03-26Q1812036007ND
2018-05-24Q1820944005ND
2018-09-11Q1835838001ND
2019-01-10Q1901410009ND
2019-01-10Q1901410010ND
2019-04-30Q1917254005ND
2019-07-30Q1948582009ND
2019-07-30Q1948582005ND
2019-07-30Q1948582007ND