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EWG's Tap Water Database — 2019 UPDATE

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Monobromoacetic acid

Signal Hill - City, Water Department

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.

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND80ND
2013ND120ND
2014ND120ND
20150.908 ppb127ND - 1.70 ppb
2016N/A00N/A
2017ND120ND

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
2012-08-133761-800-0908ND
2012-08-133761-801-1114ND
2012-08-133761-803-1123ND
2012-08-133761-802-0915ND
2012-11-143761-801-0900ND
2012-11-143761-803-1020ND
2012-11-143761-800-1030ND
2012-11-143761-802-0910ND
2013-02-123761-803-0820ND
2013-02-123761-801-0840ND
2013-02-123761-800-0830ND
2013-02-123761-802-0800ND
2013-08-203761-802-1038ND
2013-08-203761-801-1055ND
2013-08-203761-800-1111ND
2013-08-203761-803-0930ND
2013-11-183761-802-1055ND
2013-11-183761-802-1103ND
2013-11-183761-801-1130ND
2013-11-183761-800-1120ND
2014-02-103761-802-1000ND
2014-02-103761-801-0840ND
2014-02-103761-803-1005ND
2014-02-103761-800-0950ND
2014-05-193761-800-1020ND
2014-05-193761-801-1035ND
2014-05-193761-802-1025ND
2014-05-193761-803-1030ND
2014-08-183761-801-1146ND
2014-08-183761-802-1212ND
2014-08-183761-803-1201ND
2014-08-183761-800-1117ND
2015-02-094790-802-07561.50 ppb
2015-02-094790-800-12461.60 ppb
2015-02-094790-801-12031.40 ppb
2015-02-094790-803-1009ND
2015-05-184790-800-11521.70 ppb
2015-05-184790-802-11101.70 ppb
2015-05-184790-801-10471.70 ppb
2015-05-184790-803-10591.30 ppb
2015-08-174790-803-0000ND
2015-08-174790-800-0000ND
2015-08-174790-802-0000ND
2015-08-174790-801-0000ND
2017-02-135810-801-1237ND
2017-02-135810-800-1251ND
2017-02-135810-803-1030ND
2017-02-135810-802-1041ND
2017-05-224790-801-1117ND
2017-05-224790-803-1043ND
2017-05-224790-800-1105ND
2017-05-224790-802-1052ND
2017-11-201805-801-1210ND
2017-11-201805-800-1152ND
2017-11-201805-802-1145ND
2017-11-201805-803-1020ND