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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Golden State Water Company - Tanglewood

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.213 ppb81ND - 1.70 ppb
2015ND80ND
2016ND80ND
2017ND80ND
2018ND80ND
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
2014-01-222706-008-0805ND
2014-01-222706-007-0755ND
2014-04-022706-008-07401.70 ppb
2014-04-022706-007-0750ND
2014-07-012706-008-0930ND
2014-07-012706-007-0945ND
2014-10-082706-008-0925ND
2014-10-105867-007-1115ND
2015-01-062706-007-1605ND
2015-01-062706-008-1550ND
2015-04-012706-007-0815ND
2015-04-012706-008-0805ND
2015-07-220007-007-0815ND
2015-07-220007-008-0750ND
2015-10-072706-007-0840ND
2015-10-072706-008-0910ND
2016-01-192706-007-1420ND
2016-01-192706-008-1405ND
2016-04-272706-007-0815ND
2016-04-272706-008-0820ND
2016-07-062706-007-0810ND
2016-07-062706-008-0800ND
2016-10-052706-007-0805ND
2016-10-052706-008-0815ND
2017-01-179590-008-1115ND
2017-01-179590-007-1100ND
2017-04-049590-008-1155ND
2017-04-049590-007-1140ND
2017-07-119590-008-1020ND
2017-07-119590-007-1030ND
2017-10-109590-008-1145ND
2017-10-319590-007-1100ND
2018-01-099590-007-0935ND
2018-01-099590-008-0915ND
2018-04-179590-007-0820ND
2018-04-179590-008-0825ND
2018-07-179590-008-0905ND
2018-07-179590-007-0907ND
2018-10-099590-008-0945ND
2018-10-099590-007-0926ND
2019-01-089590-008-1300ND
2019-01-089590-007-1315ND
2019-04-029590-008-0835ND
2019-04-029590-007-0923ND
2019-07-029590-008-1240ND
2019-07-029590-007-1225ND
2019-10-019590-008-1205ND
2019-10-019590-007-1215ND