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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

North Austin Municipal Utility District 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

 

66

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
20150.138 ppb81ND - 1.10 ppb
2016ND80ND
2017ND100ND
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
2014-03-13AC46924ND
2014-03-13AC46942ND
2014-06-17AC57146ND
2014-06-17AC57148ND
2014-08-26AC65241ND
2014-08-26AC65240ND
2014-11-19AC72429ND
2014-11-19AC72425ND
2015-03-18AC84983ND
2015-03-18AC849841.10 ppb
2015-05-20AC92798ND
2015-05-20AC92802ND
2015-09-21AD07779ND
2015-09-21AD07778ND
2015-11-04AD12620ND
2015-11-04AD12566ND
2016-02-09AD22727ND
2016-02-09AD22732ND
2016-06-22AD41499ND
2016-06-22AD41498ND
2016-09-13AD49152ND
2016-09-13AD49144ND
2016-11-29AD59353ND
2016-11-29AD59360ND
2017-03-20AD75689ND
2017-03-20AD75688ND
2017-05-04AD82718ND
2017-05-04AD82715ND
2017-07-19AD89916ND
2017-07-19AD89919ND
2017-11-28AE05909ND
2017-11-28AE05910ND
2017-11-28AE05908ND
2017-11-28AE05907ND
2018-02-21AE14698ND
2018-02-21AE14693ND
2018-02-21AE14706ND
2018-02-21AE14711ND
2018-04-17AE22744ND
2018-04-17AE22749ND
2018-04-17AE22735ND
2018-04-17AE22741ND
2018-07-19AE33904ND
2018-07-19AE33910ND
2018-07-19AE33902ND
2018-07-19AE33917ND
2018-10-10AE43040ND
2018-10-10AE43024ND
2018-10-10AE43027ND
2018-10-10AE43028ND
2019-01-29AE51928ND
2019-01-29AE51929ND
2019-01-29AE51927ND
2019-01-29AE51926ND
2019-04-18AE62931ND
2019-04-18AE62938ND
2019-04-18AE62934ND
2019-04-18AE62947ND
2019-07-11AE74057ND
2019-07-11AE74056ND
2019-07-11AE74055ND
2019-07-11AE74054ND
2019-10-15AE86581ND
2019-10-15AE86578ND
2019-10-15AE86583ND
2019-10-15AE86582ND