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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Williamson Town WD

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

 

49

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.175 ppb81ND - 1.40 ppb
20150.380 ppb101ND - 3.80 ppb
2016ND80ND
2017ND80ND
20180.313 ppb82ND - 1.40 ppb
2019ND70ND

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
2014-02-121402100-002-DBPND
2014-02-121402100-001-DBPND
2014-05-151406796-002-DBPND
2014-05-151406796-001-DBPND
2014-08-141412947-002-DBPND
2014-08-141412947-001-DBPND
2014-11-131418795-001-DBP1.40 ppb
2014-11-131418795-002-DBPND
2015-02-121501969-002-DBP3.80 ppb
2015-02-121501969-001-DBPND
2015-05-141506662-001-DBPND
2015-05-141506662-002-DBPND
2015-08-121512636-001-DBPND
2015-08-121512636-002-DBPND
2015-10-141516511-001-DBPND
2015-10-141516511-002-DBPND
2015-12-101519562-001-DBPND
2015-12-101519562-002-DBPND
2016-02-111602120-002-DBPND
2016-02-111602120-001-DBPND
2016-05-121607069-001-DBPND
2016-05-121607069-002-DBPND
2016-08-101613185-001-DBPND
2016-08-101613185-002-DBPND
2016-11-101618921-001-DBPND
2016-11-101618921-002-DBPND
2017-02-151702373-001-DBPND
2017-02-151702373-002-DBPND
2017-05-111706885-001-DBPND
2017-05-111706885-002-DBPND
2017-08-091712943-002-DBPND
2017-08-091712943-001-DBPND
2017-11-171719063-001-DBPND
2017-11-171719063-002-DBPND
2018-02-141802412-001-DBP1.10 ppb
2018-02-141802412-002-DBPND
2018-05-101807150-002-DBPND
2018-05-101807150-001-DBPND
2018-08-081813522-001-DBPND
2018-08-081813522-002-DBP1.40 ppb
2018-11-151819811-002-DBPND
2018-11-151819811-001-DBPND
2019-02-131902169-002-DBPND
2019-02-131902169-001-DBPND
2019-05-091906801-002-DBPND
2019-05-091906801-001-DBPND
2019-08-071913101-001ND
2019-11-141919192-002-DBPND
2019-11-141919192-001-DBPND