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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Winthrop Water

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

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND60ND
2016ND80ND
2017ND80ND
2018ND80ND
20190.838 ppb82ND - 4.60 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
2014-01-0714008000501ND
2014-01-0714008003101ND
2014-05-1914142007901ND
2014-05-1914142008001ND
2015-04-2815120000501ND
2015-04-2815120000401ND
2015-09-2915274002001ND
2015-09-2915274001901ND
2015-10-0515281001801ND
2015-10-0515281001901ND
2016-01-0416007003701ND
2016-01-0416007000701ND
2016-05-2316147005301ND
2016-05-2316147005401ND
2016-07-0616189009001ND
2016-07-0616189008901ND
2016-10-0316280001101ND
2016-10-0316280001001ND
2017-01-0417005003001ND
2017-01-0417005002901ND
2017-05-1017130007701ND
2017-05-1017130007601ND
2017-07-0417187003001ND
2017-07-0417187003101ND
2017-10-0317278003501ND
2017-10-0317278003401ND
2018-01-0318004008001ND
2018-01-0318004008101ND
2018-04-0218095001001ND
2018-04-0218095001101ND
2018-07-0218184000801ND
2018-07-0218184000701ND
2018-10-0318277004601ND
2018-10-0318277004701ND
2019-01-0819010007901ND
2019-01-0819010007801ND
2019-04-0219094003401ND
2019-04-0219094003501ND
2019-08-2719241004601ND
2019-08-2719241004701ND
2019-10-02192760032012.10 ppb
2019-10-02192760033014.60 ppb