Monobromoacetic acid
Roselle
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.964 ppb | 8 | 5 | ND - 2.27 ppb |
2015 | 1.14 ppb | 8 | 6 | ND - 1.71 ppb |
2016 | 0.853 ppb | 8 | 5 | ND - 1.59 ppb |
2017 | 0.618 ppb | 8 | 4 | ND - 1.31 ppb |
2018 | 0.118 ppb | 12 | 3 | ND - 0.495 ppb |
2019 | 0.309 ppb | 16 | 9 | ND - 0.763 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 |
---|---|---|
2014-01-08 | 1401192-002B | 1.28 ppb |
2014-01-08 | 1401192-001B | 1.74 ppb |
2014-04-08 | 1404425-001B | 1.23 ppb |
2014-04-08 | 1404425-002B | 1.19 ppb |
2014-07-08 | 1407411-001B | ND |
2014-07-08 | 1407411-002B | 2.27 ppb |
2014-10-08 | 1410432-001B | ND |
2014-10-08 | 1410432-002B | ND |
2015-01-12 | 1501465-001B | 1.36 ppb |
2015-01-12 | 1501465-002B | 1.34 ppb |
2015-04-07 | 1504473-001B | 1.50 ppb |
2015-04-07 | 1504473-002B | 1.71 ppb |
2015-07-14 | 1507A66-002B | 1.57 ppb |
2015-07-14 | 1507A66-001B | ND |
2015-11-19 | 1511F32-001A | 1.66 ppb |
2015-11-19 | 1511F32-002A | ND |
2016-01-13 | 1601693-001B | ND |
2016-01-13 | 1601693-002B | 1.42 ppb |
2016-04-13 | 1604920-001B | 1.31 ppb |
2016-04-13 | 1604920-002B | 1.22 ppb |
2016-07-12 | 1607818-001B | ND |
2016-07-12 | 1607818-002B | 1.59 ppb |
2016-10-12 | 1610874-001B | ND |
2016-10-12 | 1610874-002B | 1.28 ppb |
2017-01-13 | 1701740-001B | 1.30 ppb |
2017-01-13 | 1701740-002B | 1.09 ppb |
2017-04-17 | 1704A19-001B | 1.31 ppb |
2017-04-17 | 1704A19-002B | 1.24 ppb |
2017-07-12 | 1707732-002B | ND |
2017-07-12 | 1707732-001B | ND |
2017-10-12 | 1710933-002B | ND |
2017-10-12 | 1710933-001B | ND |
2018-01-09 | 1801344-002B | ND |
2018-01-09 | 1801344-001B | ND |
2018-04-11 | 1804726-002B | ND |
2018-04-11 | 1804726-001B | ND |
2018-07-18 | 1807C01-004B | 0.435 ppb |
2018-07-18 | 1807C01-003B | 0.484 ppb |
2018-07-18 | 1807C01-002B | ND |
2018-07-18 | 1807C01-001B | ND |
2018-10-12 | 1810A06-004B | 0.495 ppb |
2018-10-12 | 1810A06-003B | ND |
2018-10-12 | 1810A06-002B | ND |
2018-10-12 | 1810A06-001B | ND |
2019-01-10 | 1901589-003B | 0.356 ppb |
2019-01-10 | 1901589-004B | 0.438 ppb |
2019-01-10 | 1901589-002B | ND |
2019-01-10 | 1901589-001B | 0.423 ppb |
2019-04-10 | 1904810-004B | 0.583 ppb |
2019-04-10 | 1904810-003B | 0.620 ppb |
2019-04-10 | 1904810-002B | ND |
2019-04-10 | 1904810-001B | 0.763 ppb |
2019-07-15 | 1907A37-004B | ND |
2019-07-15 | 1907A37-003B | 0.374 ppb |
2019-07-15 | 1907A37-002B | ND |
2019-07-15 | 1907A37-001B | ND |
2019-10-10 | 1910897-001B | ND |
2019-10-10 | 1910897-003B | 0.654 ppb |
2019-10-10 | 1910897-002B | ND |
2019-10-10 | 1910897-004B | 0.725 ppb |