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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Branson

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform 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

 

81

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND150ND
2015ND100ND
2016ND90ND
2017ND160ND
2018ND100ND
2019ND210ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform 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
2014-02-10AC18201ND
2014-02-10AC18200ND
2014-03-31AC21323ND
2014-03-31AC21322ND
2014-03-31AC21328ND
2014-03-31AC21327ND
2014-03-31AC21326ND
2014-03-31AC21325ND
2014-03-31AC21324ND
2014-05-15AC23208ND
2014-05-15AC23209ND
2014-09-02AC33344ND
2014-09-02AC33345ND
2014-11-13AC38256ND
2014-11-13AC38257ND
2015-02-09AC41983ND
2015-02-09AC41984ND
2015-03-26AC44428ND
2015-03-26AC44429ND
2015-05-07AC46552ND
2015-05-07AC46551ND
2015-08-13AC57437ND
2015-08-13AC57438ND
2015-11-12AC62817ND
2015-11-12AC62818ND
2016-02-11AC66364ND
2016-02-11AC66363ND
2016-03-23AC69096ND
2016-05-11AC72057ND
2016-05-11AC72058ND
2016-08-10AC81648ND
2016-08-10AC81649ND
2016-11-08AC86956ND
2016-11-08AC86957ND
2017-02-07AC90814ND
2017-02-07AC90815ND
2017-03-28AC92722ND
2017-03-28AC92723ND
2017-03-28AC92726ND
2017-03-28AC92720ND
2017-03-28AC92724ND
2017-03-28AC92721ND
2017-03-28AC92719ND
2017-03-28AC92725ND
2017-05-30AC95788ND
2017-05-30AC95787ND
2017-08-08AD03450ND
2017-08-08AD03451ND
2017-11-13AD09501ND
2017-11-13AD09500ND
2018-02-12AD14286ND
2018-02-12AD14287ND
2018-05-16AD17325ND
2018-05-16AD17326ND
2018-05-21AD20517ND
2018-05-21AD20518ND
2018-08-07AD31231ND
2018-08-07AD31232ND
2018-11-07AD35727ND
2018-11-07AD35728ND
2019-02-20AD39395ND
2019-02-20AD39396ND
2019-03-13AD41149ND
2019-03-13AD41150ND
2019-04-09AD46701ND
2019-05-09AD47477ND
2019-05-09AD47478ND
2019-05-21AD48561ND
2019-05-21AD48562ND
2019-08-14AD53962ND
2019-08-14AD53963ND
2019-08-14AD53961ND
2019-08-14AD53960ND
2019-11-05AD58103ND
2019-11-05AD58104ND
2019-11-05AD58105ND
2019-11-05AD58106ND
2019-12-04AD58977ND
2019-12-04AD58978ND
2019-12-04AD58979ND
2019-12-04AD58980ND