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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

City of Brownwood

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

72

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20149.13 ppb16166.40 ppb - 16.0 ppb
20154.64 ppb168ND - 13.2 ppb
2016ND160ND
20172.40 ppb16161.10 ppb - 3.70 ppb
20185.42 ppb16163.70 ppb - 7.40 ppb
20193.02 ppb16162.30 ppb - 4.50 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
2014-03-07AC460647.10 ppb
2014-03-07AC460617.00 ppb
2014-03-07AC460627.30 ppb
2014-03-07AC460636.70 ppb
2014-06-18AC573798.90 ppb
2014-06-18AC573757.00 ppb
2014-06-18AC573808.10 ppb
2014-06-18AC573766.40 ppb
2014-08-21AC6501416.0 ppb
2014-08-21AC6500912.0 ppb
2014-08-21AC6500812.3 ppb
2014-08-21AC650067.60 ppb
2014-11-04AC7115810.4 ppb
2014-11-04AC7116911.2 ppb
2014-11-04AC7115710.3 ppb
2014-11-04AC711607.80 ppb
2015-02-10AC7990212.4 ppb
2015-02-10AC7990312.8 ppb
2015-02-10AC7990512.1 ppb
2015-02-10AC7990113.2 ppb
2015-05-14AC920025.10 ppb
2015-05-14AC920076.00 ppb
2015-05-14AC919997.10 ppb
2015-05-14AC920115.50 ppb
2015-08-06AD02900ND
2015-08-06AD02899ND
2015-08-06AD02914ND
2015-08-06AD02913ND
2015-10-05AD09382ND
2015-10-05AD09403ND
2015-10-05AD09381ND
2015-10-05AD09402ND
2016-01-12AD17531ND
2016-01-12AD17558ND
2016-01-12AD17551ND
2016-01-12AD17530ND
2016-04-06AD32049ND
2016-04-06AD32050ND
2016-04-06AD32027ND
2016-04-06AD32020ND
2016-07-06AD43089ND
2016-07-06AD43083ND
2016-07-06AD43082ND
2016-07-06AD43084ND
2016-10-13AD53234ND
2016-10-13AD53232ND
2016-10-13AD53235ND
2016-10-13AD53233ND
2017-02-21AD712651.20 ppb
2017-02-21AD712691.10 ppb
2017-02-21AD712671.10 ppb
2017-02-21AD712661.20 ppb
2017-06-01AD863552.10 ppb
2017-06-01AD863562.20 ppb
2017-06-01AD863602.00 ppb
2017-06-01AD863542.00 ppb
2017-08-23AD939563.60 ppb
2017-08-23AD939573.40 ppb
2017-08-23AD939603.50 ppb
2017-08-23AD939613.70 ppb
2017-11-07AE038432.80 ppb
2017-11-07AE038462.70 ppb
2017-11-07AE038412.90 ppb
2017-11-07AE038392.90 ppb
2018-01-31AE118284.50 ppb
2018-01-31AE118174.10 ppb
2018-01-31AE118164.10 ppb
2018-01-31AE118323.70 ppb
2018-04-30AE245564.10 ppb
2018-04-30AE245634.80 ppb
2018-04-30AE245594.40 ppb
2018-04-30AE245514.60 ppb
2018-08-14AE368537.40 ppb
2018-08-14AE368805.80 ppb
2018-08-14AE368587.00 ppb
2018-08-14AE368865.90 ppb
2018-10-02AE424896.70 ppb
2018-10-02AE425036.40 ppb
2018-10-02AE424946.50 ppb
2018-10-02AE424956.70 ppb
2019-02-26AE558983.10 ppb
2019-02-26AE559012.70 ppb
2019-02-26AE559042.90 ppb
2019-02-26AE558993.10 ppb
2019-04-11AE620462.80 ppb
2019-04-11AE620412.70 ppb
2019-04-11AE620372.70 ppb
2019-04-11AE620432.30 ppb
2019-07-10AE740692.70 ppb
2019-07-10AE740702.60 ppb
2019-07-10AE740662.40 ppb
2019-07-10AE740872.40 ppb
2019-10-09AE862604.50 ppb
2019-10-09AE862663.80 ppb
2019-10-09AE862563.90 ppb
2019-11-20AE899233.70 ppb