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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Central Coast Water Authority

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
20150.157 ppb142ND - 1.10 ppb
2016ND180ND
2017ND160ND
2018ND160ND
20190.313 ppb164ND - 1.40 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
2014-02-249590-005-0945ND
2014-02-249590-003-0710ND
2014-02-249590-004-0900ND
2014-02-249590-006-0836ND
2014-05-279590-006-0849ND
2014-05-279590-005-0925ND
2014-05-279590-004-0838ND
2014-05-279590-003-0655ND
2014-08-259590-006-1300ND
2014-08-259590-005-0959ND
2014-08-259590-004-0908ND
2014-08-259590-003-0610ND
2014-11-249590-005-0941ND
2014-11-249590-004-0606ND
2014-11-249590-006-1259ND
2014-11-249590-003-0839ND
2015-02-239590-006-0859ND
2015-02-239590-005-0859ND
2015-02-239590-004-08591.10 ppb
2015-02-239590-003-08591.10 ppb
2015-05-269590-006-0852ND
2015-05-269590-005-1008ND
2015-05-269590-003-0835ND
2015-05-269590-004-0918ND
2015-10-129590-003-1325ND
2015-10-129590-006-1027ND
2015-10-129590-005-1152ND
2015-10-129590-004-1245ND
2015-11-309590-006-1356ND
2015-11-309590-005-1105ND
2016-01-199590-004-0924ND
2016-01-199590-003-0900ND
2016-03-089590-004-0937ND
2016-03-089590-003-0855ND
2016-03-089590-006-1200ND
2016-03-089590-005-1031ND
2016-05-319590-004-0905ND
2016-05-319590-003-0830ND
2016-05-319590-006-0904ND
2016-05-319590-005-1005ND
2016-08-299590-006-1302ND
2016-08-299590-004-0909ND
2016-08-299590-003-0835ND
2016-08-299590-005-1015ND
2016-11-289590-006-0856ND
2016-11-289590-004-0629ND
2016-11-289590-005-0956ND
2016-11-289590-003-0604ND
2017-02-279590-005-1100ND
2017-02-279590-006-0853ND
2017-02-279590-004-0950ND
2017-02-279590-003-0920ND
2017-05-309590-005-0957ND
2017-05-309590-003-0610ND
2017-05-309590-004-0845ND
2017-05-309590-006-0825ND
2017-08-289590-003-0907ND
2017-08-289590-004-1003ND
2017-08-289590-006-0915ND
2017-08-289590-005-1120ND
2017-11-279590-006-0918ND
2017-11-279590-003-0650ND
2017-11-279590-005-1010ND
2017-11-279590-004-0905ND
2018-03-129590-006-1154ND
2018-03-129590-003-0600ND
2018-03-129590-004-0619ND
2018-03-129590-005-0859ND
2018-05-299590-004-0732ND
2018-05-299590-005-0827ND
2018-05-299590-006-1140ND
2018-05-299590-003-0631ND
2018-08-279590-004-0755ND
2018-08-279590-006-1220ND
2018-08-279590-005-0855ND
2018-08-279590-003-0630ND
2018-11-269590-004-0810ND
2018-11-269590-006-1220ND
2018-11-269590-005-0905ND
2018-11-269590-003-0635ND
2019-02-259590-003-06301.40 ppb
2019-02-259590-005-08451.20 ppb
2019-02-259590-004-07561.30 ppb
2019-02-259590-006-12151.10 ppb
2019-05-289590-003-0606ND
2019-05-289590-005-0900ND
2019-05-289590-006-1216ND
2019-05-289590-004-0801ND
2019-08-269590-006-1134ND
2019-08-269590-005-0838ND
2019-08-269590-003-0610ND
2019-08-269590-004-0738ND
2019-11-259590-006-1305ND
2019-11-259590-005-0935ND
2019-11-259590-003-0810ND
2019-11-259590-004-0835ND