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EWG's Tap Water Database — 2021 UPDATE

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Dibromochloromethane

State College Boro Water Auth.

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

 

88

Samples

0

Samples exceeding legal limit (MCL)

51

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.627 ppb1611ND - 1.57 ppb
20150.701 ppb85ND - 2.62 ppb
20160.534 ppb168ND - 2.65 ppb
20170.622 ppb169ND - 1.72 ppb
20180.639 ppb169ND - 1.61 ppb
20190.551 ppb169ND - 1.41 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
2014-02-124B12091-04ND
2014-02-124B12091-011.10 ppb
2014-02-124B12091-02ND
2014-02-124B12091-030.710 ppb
2014-05-144E14144-011.57 ppb
2014-05-144E14144-04ND
2014-05-144E14144-02ND
2014-05-144E14144-031.05 ppb
2014-08-124H12091-010.580 ppb
2014-08-124H12091-040.550 ppb
2014-08-124H12091-031.44 ppb
2014-08-124H12091-020.750 ppb
2014-11-124K12111-030.800 ppb
2014-11-124K12111-04ND
2014-11-124K12111-020.580 ppb
2014-11-124K12111-010.900 ppb
2015-02-1212447167ND
2015-02-12124471680.520 ppb
2015-05-1212802907ND
2015-05-1212802908ND
2015-08-12131853752.62 ppb
2015-08-12131853741.13 ppb
2015-11-16135621280.660 ppb
2015-11-16135621290.680 ppb
2016-02-1613917363ND
2016-02-1613917361ND
2016-02-1613917362ND
2016-02-16139173641.10 ppb
2016-05-1614313232ND
2016-05-1614313231ND
2016-05-16143132340.670 ppb
2016-05-16143132330.520 ppb
2016-08-1514804837ND
2016-08-15148048402.65 ppb
2016-08-15148048391.92 ppb
2016-08-1514804838ND
2016-11-1415283160ND
2016-11-14152831620.580 ppb
2016-11-14152831610.510 ppb
2016-11-14152831630.600 ppb
2017-02-1515710063ND
2017-02-1515710064ND
2017-02-15157100660.950 ppb
2017-02-1515710065ND
2017-05-16161594381.21 ppb
2017-05-16161594370.620 ppb
2017-05-16161594391.43 ppb
2017-05-1616159436ND
2017-08-1516629741ND
2017-08-15166297421.57 ppb
2017-08-1516629740ND
2017-08-15166297431.72 ppb
2017-11-1517077662ND
2017-11-15170776640.670 ppb
2017-11-15170776651.21 ppb
2017-11-15170776630.570 ppb
2018-02-148B14168-04ND
2018-02-148B14168-03ND
2018-02-148B14168-02ND
2018-02-148B14168-011.09 ppb
2018-05-158E16034-011.61 ppb
2018-05-158E16034-031.39 ppb
2018-05-158E16034-04ND
2018-05-158E16034-020.620 ppb
2018-08-158H16067-020.820 ppb
2018-08-158H16067-031.27 ppb
2018-08-158H16067-04ND
2018-08-158H16067-010.840 ppb
2018-11-138K13106-04ND
2018-11-138K13106-02ND
2018-11-138K13106-011.57 ppb
2018-11-138K13106-031.01 ppb
2019-02-129B12132-020.610 ppb
2019-02-129B12132-04ND
2019-02-129B12132-011.15 ppb
2019-02-129B12132-03ND
2019-05-139E14034-081.23 ppb
2019-05-139E14034-09ND
2019-05-139E14034-061.41 ppb
2019-05-139E14034-07ND
2019-08-149H15047-031.15 ppb
2019-08-149H15047-011.30 ppb
2019-08-149H15047-04ND
2019-08-149H15047-02ND
2019-11-149K15090-04ND
2019-11-149K15090-030.640 ppb
2019-11-149K15090-020.590 ppb
2019-11-149K15090-010.730 ppb