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EWG's Tap Water Database — 2021 UPDATE

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Dibromochloromethane

City of Anacortes

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

100

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND170ND
2015ND130ND
2016ND170ND
2017ND180ND
2018ND170ND
2019ND180ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-1606982ND
2014-02-1606984ND
2014-02-1606983ND
2014-02-1606981ND
2014-05-1821227ND
2014-05-1821226ND
2014-05-1821225ND
2014-05-1821224ND
2014-07-0729168ND
2014-08-0634462ND
2014-08-0634464ND
2014-08-0634465ND
2014-08-0634463ND
2014-11-1951744ND
2014-11-1951746ND
2014-11-1951743ND
2014-11-1951745ND
2015-02-1306719ND
2015-02-1306720ND
2015-02-1306717ND
2015-02-1306718ND
2015-05-1020529ND
2015-05-1020530ND
2015-05-1020531ND
2015-05-1420532ND
2015-07-0630153ND
2015-08-0936487ND
2015-08-0936486ND
2015-08-0936489ND
2015-08-0936488ND
2016-02-10ND
2016-02-10ND
2016-02-10ND
2016-02-10ND
2016-05-08ND
2016-05-08ND
2016-05-08ND
2016-05-08ND
2016-07-17ND
2016-08-04ND
2016-08-04ND
2016-08-04ND
2016-08-04ND
2016-11-04ND
2016-11-04ND
2016-11-04ND
2016-11-04ND
2017-02-02ND
2017-02-02ND
2017-02-02ND
2017-02-02ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-07-12ND
2017-07-13ND
2017-08-18ND
2017-08-18ND
2017-08-18ND
2017-08-18ND
2017-11-20ND
2017-11-20ND
2017-11-20ND
2017-11-20ND
2018-02-27ND
2018-02-27ND
2018-02-27ND
2018-02-27ND
2018-05-21ND
2018-05-21ND
2018-05-21ND
2018-05-21ND
2018-07-16ND
2018-08-20ND
2018-08-20ND
2018-08-20ND
2018-08-20ND
2018-11-09ND
2018-11-09ND
2018-11-09ND
2018-11-09ND
2019-02-14ND
2019-02-14ND
2019-02-14ND
2019-02-14ND
2019-05-20ND
2019-05-20ND
2019-05-20ND
2019-05-20ND
2019-07-24ND
2019-07-24ND
2019-08-26ND
2019-08-26ND
2019-08-26ND
2019-08-26ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND