Know Your Environment. Protect Your Health.

Monobromoacetic acid

Town of Sunnyvale

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.788 ppb84ND - 2.40 ppb
2019ND80ND
20200.738 ppb84ND - 1.80 ppb
20210.125 ppb81ND - 1.000 ppb
20220.663 ppb84ND - 1.60 ppb
20230.550 ppb83ND - 1.90 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 25 ppb

The EWG Health Guideline of 25 ppb for monobromoacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-04Q1800388002ND
2018-01-04Q1800388001ND
2018-05-08Q18184650031.70 ppb
2018-05-08Q1818465001ND
2018-07-24Q18292970011.000 ppb
2018-07-24Q18292970022.40 ppb
2018-10-17Q18414690011.20 ppb
2018-10-17Q1841469002ND
2019-01-08Q1900802001ND
2019-01-08Q1900802002ND
2019-04-24Q1916755001ND
2019-04-24Q1916755002ND
2019-07-22Q1946764002ND
2019-07-22Q1946764001ND
2019-10-01Q1970772001ND
2019-10-01Q1970772002ND
2020-01-08Q2000841001ND
2020-01-08Q20008410021.80 ppb
2020-04-29Q2016703001ND
2020-04-29Q20167030021.80 ppb
2020-07-13Q2027173001ND
2020-07-13Q20271730021.30 ppb
2020-10-06Q2039032001ND
2020-10-06Q20390320021.000 ppb
2021-01-06Q2100421002ND
2021-01-06Q2100421003ND
2021-04-22Q2110392001ND
2021-04-22Q21103920021.000 ppb
2021-08-02Q2119999001ND
2021-08-02Q2119999002ND
2021-10-28Q2130420001ND
2021-10-28Q2130420002ND
2022-02-17Q2205969001ND
2022-02-17Q2205969002ND
2022-04-21Q22122110011.20 ppb
2022-04-21Q22122110021.10 ppb
2022-09-13Q2227140002ND
2022-09-13Q22271400031.60 ppb
2022-10-04Q2229787001ND
2022-10-04Q22297870021.40 ppb
2023-01-26Q2303742001ND
2023-01-26Q23037420021.90 ppb
2023-05-08Q2317340001ND
2023-05-08Q23173400021.30 ppb
2023-08-02Q2331450002ND
2023-08-02Q23314500031.20 ppb
2023-10-17Q2344248001ND
2023-10-17Q2344248002ND