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EWG's Tap Water Database — 2019 UPDATE

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Dibromochloromethane

Evansville

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
20131.13 ppb41ND - 4.50 ppb
20140.850 ppb42ND - 2.10 ppb
2015ND40ND
20160.750 ppb42ND - 1.60 ppb
20171.000 ppb42ND - 2.60 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
2012-03-13SC20554-01_01ND
2012-06-20SF21333-01_01ND
2012-09-24SI21120-01_01ND
2012-10-29SJ21638-01_01ND
2013-01-28SA30830-01_01ND
2013-05-28SE31310-01_01ND
2013-09-23SI31087-01_01ND
2013-11-13SK30380-02_014.50 ppb
2014-03-19SC40528-01_011.30 ppb
2014-05-28SE41293-02_01ND
2014-08-25SH41818-02_01ND
2014-11-24SK40718-02_012.10 ppb
2015-02-18SB50371-02_01ND
2015-05-26SE51054-02_01ND
2015-08-24SH51442-02_01ND
2015-11-23SK50817-02_01ND
2016-02-1616B0489-02_01ND
2016-05-2416E1027-02_011.60 ppb
2016-08-1716H0913-02_011.40 ppb
2016-11-2816K0748-02_01ND
2017-02-2117B0450-02_011.40 ppb
2017-05-2417E0930-02_01ND
2017-08-2217H1316-02_01ND
2017-11-2017K0581-02_012.60 ppb