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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Files Valley Water Supply Corporation

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
2015ND40ND
2016ND40ND
20171.30 ppb42ND - 2.90 ppb
20181.80 ppb43ND - 4.50 ppb
20191.05 ppb42ND - 2.30 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
2014-02-18AC43242ND
2014-05-22AC55044ND
2014-08-20AC64600ND
2014-12-10AC74344ND
2015-03-16AC84406ND
2015-06-17AC96369ND
2015-07-29AD01506ND
2015-12-03AD15409ND
2016-02-17AD23907ND
2016-05-03AD35066ND
2016-09-06AD47895ND
2016-12-06AD60908ND
2017-03-07Q17095060022.30 ppb
2017-05-08Q1718726001ND
2017-08-16Q1736366001ND
2017-11-28Q17602070012.90 ppb
2018-02-15Q1806699002ND
2018-05-16Q18200130011.20 ppb
2018-09-12Q18361610024.50 ppb
2018-11-29Q18488670021.50 ppb
2019-02-05Q19053280032.30 ppb
2019-05-07Q19215490011.90 ppb
2019-09-18Q1967049001ND
2019-12-09Q1979575001ND