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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Missouri American Jefferson City District

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

 

98

Samples

0

Samples exceeding legal limit (MCL)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.531 ppb168ND - 1.30 ppb
2015ND160ND
20160.306 ppb168ND - 0.700 ppb
20170.213 ppb165ND - 0.900 ppb
20180.0333 ppb181ND - 0.600 ppb
20190.0313 ppb161ND - 0.500 ppb

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
2014-02-1224689601ND
2014-02-1224689501ND
2014-02-1224689801ND
2014-02-1224689701ND
2014-05-13255903011.10 ppb
2014-05-13255906010.600 ppb
2014-05-13255904010.900 ppb
2014-05-13255905011.10 ppb
2014-08-12265461011.10 ppb
2014-08-12265462011.30 ppb
2014-08-12265463011.20 ppb
2014-08-12265464011.20 ppb
2014-11-0427378901ND
2014-11-0427379001ND
2014-11-0427379101ND
2014-11-0427379201ND
2015-02-0328152101ND
2015-02-0328151801ND
2015-02-0328151901ND
2015-02-0328152001ND
2015-05-0528882801ND
2015-05-0528882901ND
2015-05-0528883101ND
2015-05-0528883001ND
2015-08-1229799701ND
2015-08-1229799801ND
2015-08-1229800001ND
2015-08-1229799901ND
2015-11-1730646001ND
2015-11-1730645801ND
2015-11-1730645701ND
2015-11-1730645901ND
2016-02-0231261501ND
2016-02-0231261601ND
2016-02-0231261701ND
2016-02-0231261401ND
2016-05-2531962301ND
2016-05-2531962201ND
2016-05-2531962101ND
2016-05-2531962001ND
2016-08-09330155010.600 ppb
2016-08-09330156010.700 ppb
2016-08-09330157010.600 ppb
2016-08-09330158010.500 ppb
2016-11-14337021010.500 ppb
2016-11-14337022010.600 ppb
2016-11-14337023010.700 ppb
2016-11-14337024010.700 ppb
2017-02-0734565001ND
2017-02-0734565101ND
2017-02-0734564901ND
2017-02-0734565201ND
2017-05-1635401001ND
2017-05-1635401201ND
2017-05-1635401301ND
2017-05-1635401101ND
2017-08-0236570901ND
2017-08-0236571201ND
2017-08-02365710010.600 ppb
2017-08-0236571101ND
2017-11-07376597010.700 ppb
2017-11-07376598010.600 ppb
2017-11-07376596010.600 ppb
2017-11-07376595010.900 ppb
2018-02-0638582301ND
2018-02-0638582401ND
2018-02-0638582501ND
2018-02-0638582601ND
2018-05-0839343701ND
2018-05-0839343801ND
2018-05-0839343901ND
2018-05-0839344001ND
2018-05-17AD26812ND
2018-05-17AD26813ND
2018-08-0940559501ND
2018-08-0940559801ND
2018-08-0940559601ND
2018-08-0940559701ND
2018-11-06417880010.600 ppb
2018-11-0641788101ND
2018-11-0641788201ND
2018-11-0641788301ND
2019-02-06431985010.500 ppb
2019-02-0643198601ND
2019-02-0643198701ND
2019-02-0643198801ND
2019-05-0743958101ND
2019-05-0743958301ND
2019-05-0743958201ND
2019-05-0743958001ND
2019-08-0645741201ND
2019-08-0645741301ND
2019-08-0645741401ND
2019-08-0645741501ND
2019-11-0647091501ND
2019-11-0647091601ND
2019-11-0647091701ND
2019-11-0647091801ND