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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Montgomery County Regional Public Water Authority

Monobromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids 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

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND80ND
2017ND80ND
2018ND80ND
20190.270 ppb102ND - 1.40 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 25 ppb

The EWG Health Guideline of 25 ppb for monobromoacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against muscular degeneration.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-0814010004801ND
2014-01-0814010004701ND
2014-04-0314094004601ND
2014-04-0314094004501ND
2014-07-0214184005801ND
2014-07-0214184005701ND
2014-10-0714282016901ND
2014-10-0714282016801ND
2015-01-0715008012201ND
2015-01-0715008012101ND
2015-04-0615099001601ND
2015-04-0615099001501ND
2015-07-0715191002101ND
2015-07-0715191002201ND
2015-10-0615281008001ND
2015-10-0615281008101ND
2016-01-0416008004601ND
2016-01-0416008004701ND
2016-04-0416098008801ND
2016-04-0416098008701ND
2016-07-0516189016601ND
2016-07-0516189016701ND
2016-10-0316280010301ND
2016-10-0316280010401ND
2017-01-0317005016301ND
2017-01-0317005016401ND
2017-04-0517096012901ND
2017-04-0517096013001ND
2017-07-0517187011101ND
2017-07-0517187011201ND
2017-10-0217277001601ND
2017-10-0217277001501ND
2018-01-0218004012801ND
2018-01-0218004012901ND
2018-05-0918130007001ND
2018-05-0918130007301ND
2018-07-0218186013401ND
2018-07-0218186013501ND
2018-10-0318277002401ND
2018-10-0318277002301ND
2019-01-0219004000401ND
2019-02-2019052003501ND
2019-04-0319095001201ND
2019-04-0319095001301ND
2019-08-2019233004701ND
2019-08-2019233004601ND
2019-09-1619261000301ND
2019-09-1619261000201ND
2019-10-02192760089011.30 ppb
2019-10-02192760090011.40 ppb