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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Horizon Regional MUD

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015ND160ND
2016ND160ND
20170.138 ppb162ND - 1.10 ppb
2018ND160ND
2019ND160ND

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
2014-03-10Q1407438014ND
2014-03-10Q1407438013ND
2014-03-10Q1407438012ND
2014-03-10Q1407438011ND
2014-06-18Q1421908005ND
2014-06-18Q1421908004ND
2014-06-18Q1421908002ND
2014-06-26Q1424160001ND
2014-08-14Q1436750003ND
2014-08-14Q1436750002ND
2014-08-14Q1436750004ND
2014-08-14Q1436750005ND
2014-11-25Q1457445005ND
2014-11-25Q1457445004ND
2014-11-25Q1457445003ND
2014-11-25Q1457445002ND
2015-01-20Q1501551004ND
2015-01-20Q1501551003ND
2015-01-20Q1501551002ND
2015-01-20Q1501551001ND
2015-05-20Q1518758005ND
2015-05-20Q1518758006ND
2015-05-20Q1518758008ND
2015-05-20Q1518758007ND
2015-08-05Q1530562004ND
2015-08-05Q1530562003ND
2015-08-05Q1530562002ND
2015-08-05Q1530562001ND
2015-10-20Q1541084004ND
2015-10-20Q1541084003ND
2015-10-20Q1541084002ND
2015-10-20Q1541084001ND
2016-01-26Q1603300003ND
2016-01-26Q1603300002ND
2016-01-26Q1603300004ND
2016-01-26Q1603300005ND
2016-06-02Q1621934004ND
2016-06-02Q1621934003ND
2016-06-02Q1621934002ND
2016-06-02Q1621934001ND
2016-08-04Q1632413004ND
2016-08-04Q1632413003ND
2016-08-04Q1632413002ND
2016-08-04Q1632413001ND
2016-11-15Q1649659003ND
2016-11-15Q1649659002ND
2016-11-15Q1649659004ND
2016-11-15Q1649659001ND
2017-01-12Q1701683006ND
2017-01-12Q1701683001ND
2017-01-12Q1701683005ND
2017-01-12Q17016830121.10 ppb
2017-04-13Q1715322004ND
2017-04-13Q1715322003ND
2017-04-13Q1715322002ND
2017-04-13Q1715322001ND
2017-08-29Q1740351004ND
2017-08-29Q1740351001ND
2017-08-29Q1740351002ND
2017-08-29Q1740351003ND
2017-10-11Q1751779004ND
2017-10-11Q1751779003ND
2017-10-11Q17517790021.10 ppb
2017-10-11Q1751779001ND
2018-03-09Q1809892007ND
2018-03-09Q1809892006ND
2018-03-09Q1809892005ND
2018-03-09Q1809892004ND
2018-05-30Q1821499002ND
2018-05-30Q1821499005ND
2018-05-30Q1821499006ND
2018-05-30Q1821499003ND
2018-07-24Q1829842002ND
2018-07-24Q1829842001ND
2018-08-07Q1831737002ND
2018-08-07Q1831737001ND
2018-11-26Q1847911004ND
2018-11-26Q1847911003ND
2018-11-26Q1847911002ND
2018-11-26Q1847911001ND
2019-02-07Q1905869006ND
2019-02-07Q1905869002ND
2019-02-07Q1905869003ND
2019-02-07Q1905869007ND
2019-04-24Q1916820004ND
2019-04-24Q1916820003ND
2019-04-24Q1916820002ND
2019-04-24Q1916820001ND
2019-08-20Q1956859004ND
2019-08-20Q1956859003ND
2019-08-20Q1956859002ND
2019-08-20Q1956859001ND
2019-11-05Q1975469001ND
2019-11-05Q1975469004ND
2019-11-05Q1975469003ND
2019-11-05Q1975469002ND