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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Wamac

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
20150.350 ppb41ND - 1.40 ppb
20160.350 ppb41ND - 1.40 ppb
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-02-051402366-002AND
2014-05-0726029801ND
2014-08-0626810801ND
2014-11-0527562101ND
2015-02-0428196201ND
2015-05-06289554011.40 ppb
2015-08-0529993601ND
2015-11-0430569001ND
2016-02-0331161401ND
2016-05-0431852501ND
2016-08-0332877001ND
2016-11-16337244011.40 ppb
2017-02-0834713701ND
2017-05-1735535301ND
2017-08-0236809601ND
2017-11-0837643901ND
2018-02-2138665601ND
2018-05-0239460401ND
2018-08-0840850101ND
2018-11-0741959401ND
2019-02-0643017101ND
2019-05-0844123801ND
2019-08-0746192601ND
2019-11-0647387001ND