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EWG's Tap Water Database — 2021 UPDATE

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Dibromochloromethane

Sw White County

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

 

60

Samples

0

Samples exceeding legal limit (MCL)

18

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.61 ppb771.30 ppb - 1.90 ppb
20150.750 ppb21ND - 1.50 ppb
20160.440 ppb52ND - 1.20 ppb
20170.293 ppb143ND - 1.50 ppb
20180.131 ppb162ND - 1.10 ppb
20190.200 ppb163ND - 1.10 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
2014-03-11140720016021.60 ppb
2014-03-11140720017021.60 ppb
2014-06-03141560030021.90 ppb
2014-06-03141560031021.90 ppb
2014-09-03142470011021.50 ppb
2014-09-03142470010021.50 ppb
2014-11-11143160012021.30 ppb
2015-06-02151550040021.50 ppb
2015-11-2415329001702ND
2016-06-07161600033021.000 ppb
2016-09-0716252006902ND
2016-09-07162520070021.20 ppb
2016-11-2816336000802ND
2016-11-2816336000702ND
2017-03-06170670022021.50 ppb
2017-03-06170670021021.50 ppb
2017-06-1917172004602ND
2017-06-1917172004802ND
2017-06-1917172004502ND
2017-06-1917172004702ND
2017-09-05172500027021.10 ppb
2017-09-0517250002502ND
2017-09-0517250002402ND
2017-09-0517250002602ND
2017-12-0417341003202ND
2017-12-0417341003102ND
2017-12-0417341003302ND
2017-12-0417341003402ND
2018-03-0518066000302ND
2018-03-0518066000402ND
2018-03-0518066000202ND
2018-03-0518066000102ND
2018-06-1418166000602ND
2018-06-1418166000702ND
2018-06-1418166000502ND
2018-06-1418166000802ND
2018-09-1118256009402ND
2018-09-1118256009602ND
2018-09-11182560097021.000 ppb
2018-09-1118256009502ND
2018-12-10183470075021.10 ppb
2018-12-1018347007702ND
2018-12-1018347007402ND
2018-12-1018347007602ND
2019-03-1319073000702ND
2019-03-1319073000802ND
2019-03-1319073000602ND
2019-03-1319073000502ND
2019-06-1819170001502ND
2019-06-1819170001602ND
2019-06-1819170001402ND
2019-06-1819170001702ND
2019-09-1019255006702ND
2019-09-1019255006902ND
2019-09-1019255006602ND
2019-09-1019255006802ND
2019-12-0219338003702ND
2019-12-02193380039021.10 ppb
2019-12-02193380038021.10 ppb
2019-12-02193380040021.000 ppb