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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Red Hill Waterworks Inc.

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
2015ND160ND
2016ND160ND
20171.63 ppb168ND - 5.50 ppb
20181.01 ppb166ND - 3.10 ppb
20190.638 ppb164ND - 3.10 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
2014-02-211279941ND
2014-02-211279940ND
2014-02-211279941ND
2014-02-211279940ND
2014-05-281304855ND
2014-05-281304856ND
2014-05-281304856ND
2014-05-281304855ND
2014-08-201328030ND
2014-08-201328031ND
2014-08-201328031ND
2014-08-201328030ND
2014-11-121349679ND
2014-11-121349680ND
2014-11-121349680ND
2014-11-121349679ND
2015-02-181373491ND
2015-02-181373492ND
2015-02-181373492ND
2015-02-181373491ND
2015-05-131394755ND
2015-05-131394756ND
2015-05-131394756ND
2015-05-131394755ND
2015-08-121418405ND
2015-08-121418404ND
2015-08-121418405ND
2015-08-121418404ND
2015-11-111443224ND
2015-11-111443225ND
2015-11-111443225ND
2015-11-111443224ND
2016-02-231469565ND
2016-02-231469566ND
2016-02-231469566ND
2016-02-231469565ND
2016-05-241493812ND
2016-05-241493811ND
2016-05-241493812ND
2016-05-241493811ND
2016-08-151516392ND
2016-08-151516393ND
2016-08-151516393ND
2016-08-151516392ND
2016-11-141541724ND
2016-11-141541725ND
2016-11-141541725ND
2016-11-141541724ND
2017-02-2235297193004ND
2017-02-2235297193003ND
2017-02-2235297193003ND
2017-02-2235297193004ND
2017-05-1535312612003ND
2017-05-1535312612003ND
2017-05-15353126120043.00 ppb
2017-05-15353126120043.00 ppb
2017-08-0935329687007ND
2017-08-09353296870085.50 ppb
2017-08-0935329687007ND
2017-08-09353296870085.50 ppb
2017-11-14353483540022.00 ppb
2017-11-14353483540012.50 ppb
2017-11-14353483540012.50 ppb
2017-11-14353483540022.00 ppb
2018-02-05353732660022.20 ppb
2018-02-05353732660013.10 ppb
2018-02-05353732660022.20 ppb
2018-02-05353732660013.10 ppb
2018-05-0835391495002ND
2018-05-0835391495002ND
2018-05-08353914950012.80 ppb
2018-05-08353914950012.80 ppb
2018-08-0135408249002ND
2018-08-0135408249001ND
2018-08-0135408249001ND
2018-08-0135408249002ND
2018-11-2835434048001ND
2018-11-2835434048002ND
2018-11-2835434048001ND
2018-11-2835434048002ND
2019-02-0535446757002ND
2019-02-05354467570013.10 ppb
2019-02-05354467570013.10 ppb
2019-02-0535446757002ND
2019-05-2235470495002ND
2019-05-2235470495002ND
2019-05-22354704950012.00 ppb
2019-05-22354704950012.00 ppb
2019-08-2735494179002ND
2019-08-2735494179001ND
2019-08-2735494179001ND
2019-08-2735494179002ND
2019-11-1335512673001ND
2019-11-1335512673002ND
2019-11-1335512673001ND
2019-11-1335512673002ND