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EWG's Tap Water Database

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Dibromochloromethane

Boh-nak Mobile Home Park

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011ND10ND
2012ND10ND
2013ND10ND
2014ND40ND
2015ND30ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.1 ppb

The 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.

EPA Maximum Contaminant
Level Goal (MCLG)60.0 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2011-12-070220218_02_0031860ND
2012-04-040220218_02_0052260ND
2013-10-170220218_02_0204800ND
2014-03-060220218_02_0039560ND
2014-06-190220218_02_0550300ND
2014-08-140220218_02_0065600ND
2014-10-210220218_02_0014990ND
2015-02-120220218_02_0025310ND
2015-05-14E15003565001ND
2015-07-01E16000030001ND