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EWG's Tap Water Database — 2019 UPDATE

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Dibromochloromethane

Shawano Co. Utility

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

26

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.973 ppb440.350 ppb - 1.40 ppb
20131.32 ppb551.10 ppb - 1.60 ppb
20140.700 ppb440.250 ppb - 0.950 ppb
20151.03 ppb440.400 ppb - 1.90 ppb
20161.47 ppb550.950 ppb - 2.50 ppb
20171.48 ppb441.10 ppb - 1.70 ppb

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
2012-03-196547620.350 ppb
2012-06-186683861.40 ppb
2012-07-236741881.20 ppb
2012-11-066927680.940 ppb
2013-03-197103641.10 ppb
2013-05-217205781.20 ppb
2013-08-067356421.40 ppb
2013-08-067356431.30 ppb
2013-10-227541181.60 ppb
2014-03-197757500.250 ppb
2014-04-157805430.950 ppb
2014-08-198115200.770 ppb
2014-11-188320180.830 ppb
2015-03-178488350.400 ppb
2015-06-158657051.90 ppb
2015-09-088813030.510 ppb
2015-11-178943861.30 ppb
2016-02-169055111.10 ppb
2016-04-189160351.70 ppb
2016-08-099381430.950 ppb
2016-09-079437372.50 ppb
2016-10-259554761.10 ppb
2017-03-069761371.10 ppb
2017-05-309941311.70 ppb
2017-09-1110173631.50 ppb
2017-10-2310256341.60 ppb