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EWG's Tap Water Database — 2019 UPDATE

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Monobromoacetic acid

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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.

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.75 ppb42ND - 6.00 ppb
2013ND50ND
2014ND60ND
2015ND80ND
20161.71 ppb73ND - 7.00 ppb
20170.375 ppb82ND - 2.00 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
2012-02-16120217-015HA6.00 ppb
2012-04-18120419-005HAND
2012-08-13120814-019HAND
2012-11-07121108-002HA1.000 ppb
2013-03-06130307-001HAND
2013-04-29130430-012HAND
2013-07-29130730-007HAND
2013-11-18131119-014HAND
2013-11-18131119-013HAND
2014-02-10140211-007HAND
2014-02-10140211-008HAND
2014-08-11140812-007HAND
2014-08-11140812-006HAND
2014-11-10141111-004HAND
2014-11-10141111-003HAND
2015-02-09150210-006HAND
2015-02-09150210-005HAND
2015-05-11150512-010HAND
2015-05-11150512-009HAND
2015-08-10150811-010HAND
2015-08-10150811-009HAND
2015-11-12151113-008HAND
2015-11-12151113-007HAND
2016-02-09160211-001HA7.00 ppb
2016-02-09160211-002HAND
2016-05-10160511-004HAND
2016-05-10160511-003HA3.00 ppb
2016-08-09160810-015HAND
2016-11-09161110-007HAND
2016-11-09161110-008HA2.00 ppb
2017-02-14170215-002HA2.00 ppb
2017-02-14170215-001HA1.000 ppb
2017-05-09170510-006HAND
2017-05-09170510-005HAND
2017-08-10170811-010HAND
2017-08-10170811-009HAND
2017-11-16171117-009HAND
2017-11-16171117-008HAND