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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Emma PWS

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
20160.825 ppb41ND - 3.30 ppb
2017ND40ND
20181.67 ppb42ND - 3.40 ppb
2019ND80ND

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
2014-07-23AC30513ND
2014-10-21AC37585ND
2015-01-20AC40309ND
2015-05-07AC44993ND
2015-07-14AC54196ND
2015-10-13AC61152ND
2016-01-06AC649573.30 ppb
2016-04-12AC69316ND
2016-09-06AC83732ND
2016-10-17AC86226ND
2017-01-09AC89038ND
2017-04-05AC94405ND
2017-07-10AD01312ND
2017-10-09AD07841ND
2018-01-18AD112853.29 ppb
2018-04-24AD179563.40 ppb
2018-07-08AD29092ND
2018-10-16AD34364ND
2019-01-09AD37675ND
2019-04-04AD46012ND
2019-04-10AD46095ND
2019-06-05AD49753ND
2019-07-17AD51709ND
2019-07-17AD51708ND
2019-10-10AD56678ND
2019-10-10AD56679ND