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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethane

City of Tacoma

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

 

46

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND310ND
2016ND10ND
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
2014-08-06201408070493AMND
2014-11-1329191ND
2014-11-1429192ND
2014-11-1830352ND
2014-12-0234852ND
2015-03-10201503110935AMND
2015-03-10201502170548AMND
2015-03-10201503120179AMND
2015-06-0827944ND
2015-06-09201505060001AMND
2015-06-17201505060005AMND
2015-06-29201505020034AMND
2015-07-06201505020035AMND
2015-07-08201507090318AMND
2015-07-09201507100395AMND
2015-07-09201506300092AMND
2015-08-0585793ND
2015-08-24201508250628AMND
2015-09-09201508050009AMND
2015-09-09201508050013AMND
2015-10-13201509250020AMND
2015-12-0138661ND
2015-12-0138661ND
2015-12-0138661ND
2015-12-0138661ND
2015-12-0238662ND
2015-12-0238662ND
2015-12-0238662ND
2015-12-0238662ND
2015-12-0338663ND
2015-12-0338663ND
2015-12-0338663ND
2015-12-0338663ND
2015-12-0741681ND
2015-12-0741682ND
2015-12-0841683ND
2016-04-06ND
2017-05-10ND
2017-05-10ND
2017-10-10ND
2018-02-07ND
2018-03-12ND
2018-03-19ND
2019-01-02ND
2019-07-24ND
2019-12-03ND