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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Bi County WSC 1

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

 

90

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.150 ppb101ND - 1.50 ppb
2015ND160ND
2016ND160ND
20170.281 ppb163ND - 2.30 ppb
20180.563 ppb167ND - 2.10 ppb
20190.844 ppb1610ND - 2.50 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
2014-07-14Q14274730191.50 ppb
2014-07-14Q1427473018ND
2014-09-19Q1446664003ND
2014-09-19Q1446664002ND
2014-09-19Q1446664001ND
2014-09-19Q1446664004ND
2014-11-21Q1457558001ND
2014-11-21Q1457558002ND
2014-11-21Q1457558003ND
2014-11-21Q1457558004ND
2015-02-05Q1504623006ND
2015-02-05Q1504623005ND
2015-02-05Q1504623004ND
2015-02-05Q1504623003ND
2015-04-16Q1514410018ND
2015-04-16Q1514410021ND
2015-04-16Q1514410020ND
2015-04-16Q1514410019ND
2015-09-04Q1534657001ND
2015-09-04Q1534657002ND
2015-09-04Q1534657004ND
2015-09-04Q1534657003ND
2015-10-28Q1542684004ND
2015-10-28Q1542684003ND
2015-10-28Q1542684002ND
2015-10-28Q1542684001ND
2016-01-26Q1603327004ND
2016-01-26Q1603327003ND
2016-01-26Q1603327002ND
2016-01-26Q1603327001ND
2016-04-19Q1615295004ND
2016-04-19Q1615295002ND
2016-04-19Q1615295003ND
2016-04-19Q1615295005ND
2016-07-21Q1629732004ND
2016-07-21Q1629732003ND
2016-07-21Q1629732002ND
2016-07-21Q1629732001ND
2016-10-06Q1642553029ND
2016-10-06Q1642553028ND
2016-10-06Q1642553027ND
2016-10-06Q1642553026ND
2017-01-05Q17005590182.30 ppb
2017-01-05Q1700559041ND
2017-01-05Q1700559019ND
2017-01-05Q1700559040ND
2017-04-19Q1716423004ND
2017-04-19Q1716423003ND
2017-04-19Q1716423002ND
2017-04-19Q1716423001ND
2017-07-20Q1729905002ND
2017-07-20Q1729905003ND
2017-07-20Q1729905001ND
2017-07-20Q1729905004ND
2017-10-02Q17485470041.000 ppb
2017-10-02Q1748547003ND
2017-10-02Q17485470051.20 ppb
2017-10-02Q1748547006ND
2018-01-09Q1800903053ND
2018-01-09Q1800903052ND
2018-01-09Q1800903051ND
2018-01-09Q1800903050ND
2018-05-21Q1820414003ND
2018-05-21Q18204140011.000 ppb
2018-05-21Q1820414002ND
2018-05-21Q1820414004ND
2018-09-10Q18356200052.10 ppb
2018-09-10Q18356200021.000 ppb
2018-09-10Q18356200031.000 ppb
2018-09-10Q18356200041.80 ppb
2018-10-22Q1841923004ND
2018-10-22Q18419230031.10 ppb
2018-10-22Q1841923002ND
2018-10-22Q18419230011.000 ppb
2019-01-15Q19020830331.000 ppb
2019-01-15Q1902083034ND
2019-01-15Q1902083035ND
2019-01-15Q19020830361.20 ppb
2019-04-18Q1915824002ND
2019-04-18Q1915824004ND
2019-04-18Q1915824001ND
2019-04-18Q1915824003ND
2019-08-07Q19519250051.000 ppb
2019-08-07Q19519250041.80 ppb
2019-08-07Q19519250031.000 ppb
2019-08-07Q19519250021.000 ppb
2019-10-14Q19724040041.000 ppb
2019-10-14Q19724040051.70 ppb
2019-10-14Q19724040061.30 ppb
2019-10-14Q19724040032.50 ppb