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EWG's Tap Water Database — 2019 UPDATE

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Dibromochloromethane

City of Cleveland

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND50ND
2014ND120ND
2015N/A00N/A
2016ND30ND
2017ND20ND

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
2012-06-07120608-008THND
2013-06-06130607-002THND
2013-11-13131114-016THND
2013-11-13131114-015THND
2013-11-13131114-012THND
2013-11-13131114-011THND
2014-02-17140218-012THND
2014-02-17140218-011THND
2014-02-17140218-004THND
2014-02-17140218-003THND
2014-05-12140513-013THND
2014-05-12140513-014THND
2014-05-12140513-002THND
2014-05-12140513-001THND
2014-08-13140814-025THND
2014-08-13140814-024THND
2014-08-13140814-015THND
2014-08-13140814-014THND
2016-06-22160623-008THND
2016-12-19161220-013THND
2016-12-19161220-012THND
2017-07-27170728-001THND
2017-07-27170728-002THND