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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Massachusetts Water Resources Authority (MWRA)

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.

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629

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND240ND
2015ND1520ND
2016ND1280ND
2017ND1280ND
2018ND650ND
2019ND1320ND

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 Result
2014-01-06ND
2014-01-07ND
2014-02-03ND
2014-02-04ND
2014-03-03ND
2014-03-03ND
2014-04-07ND
2014-04-07ND
2014-05-05ND
2014-05-05ND
2014-06-02ND
2014-06-06ND
2014-07-07ND
2014-07-08ND
2014-08-05ND
2014-08-05ND
2014-09-09ND
2014-09-09ND
2014-10-06ND
2014-10-07ND
2014-11-04ND
2014-11-04ND
2014-12-01ND
2014-12-02ND
2015-01-05ND
2015-01-06ND
2015-02-02ND
2015-02-03ND
2015-02-17ND
2015-02-17ND
2015-02-17ND
2015-02-17ND
2015-02-17ND
2015-02-17ND
2015-02-17ND
2015-02-17ND
2015-02-17ND
2015-02-18ND
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2015-02-19ND
2015-02-19ND
2015-02-19ND
2015-02-19ND
2015-02-19ND
2015-03-02ND
2015-03-03ND
2015-04-06ND
2015-04-07ND
2015-05-04ND
2015-05-04ND
2015-05-18ND
2015-05-18ND
2015-05-18ND
2015-05-18ND
2015-05-18ND
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2015-05-21ND
2015-05-21ND
2015-05-21ND
2015-05-21ND
2015-05-22ND
2015-06-01ND
2015-06-02ND
2015-07-06ND
2015-07-07ND
2015-08-03ND
2015-08-04ND
2015-08-17ND
2015-08-17ND
2015-08-17ND
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2015-09-08ND
2015-09-08ND
2015-10-05ND
2015-10-06ND
2015-11-02ND
2015-11-03ND
2015-11-16ND
2015-11-16ND
2015-11-16ND
2015-11-16ND
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2015-11-19ND
2015-11-19ND
2015-11-19ND
2015-11-19ND
2015-11-19ND
2015-11-19ND
2015-11-19ND
2015-11-19ND
2015-12-07ND
2015-12-08ND
2016-02-16ND
2016-02-16ND
2016-02-16ND
2016-02-16ND
2016-02-16ND
2016-02-16ND
2016-02-16ND
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2016-02-18ND
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2016-02-18ND
2016-05-16ND
2016-05-16ND
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2016-05-16ND
2016-05-16ND
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2016-05-17ND
2016-05-17ND
2016-05-18ND
2016-05-18ND
2016-05-18ND
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2016-05-18ND
2016-05-18ND
2016-05-19ND
2016-05-19ND
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2016-05-19ND
2016-05-19ND
2016-05-19ND
2016-05-19ND
2016-08-15ND
2016-08-15ND
2016-08-15ND
2016-08-15ND
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2016-08-15ND
2016-08-15ND
2016-08-16ND
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2016-11-14ND
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2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-13ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-02-15ND
2017-02-15ND
2017-02-15ND
2017-02-15ND
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2017-02-15ND
2017-02-15ND
2017-02-15ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-05-15ND
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2017-05-15ND
2017-05-15ND
2017-05-16ND
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2017-05-17ND
2017-05-17ND
2017-05-17ND
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2017-05-17ND
2017-05-18ND
2017-05-18ND
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2017-05-18ND
2017-05-18ND
2017-05-18ND
2017-05-18ND
2017-05-18ND
2017-05-18ND
2017-05-18ND
2017-08-14ND
2017-08-14ND
2017-08-14ND
2017-08-14ND
2017-08-14ND
2017-08-14ND
2017-08-14ND
2017-08-14ND
2017-08-14ND
2017-08-15ND
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2017-08-15ND
2017-08-15ND
2017-08-16ND
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2017-11-13ND
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2017-11-14ND
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2018-05-01ND
2018-08-13ND
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2018-08-14ND
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2018-11-14ND
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2018-11-15ND
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