Know Your Environment. Protect Your Health.

Monobromoacetic acid

Multi-county Water Supply Corporation

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)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.563 ppb82ND - 2.80 ppb
2019ND80ND
20200.200 ppb81ND - 1.60 ppb
20210.750 ppb82ND - 4.00 ppb
20224.04 ppb83ND - 25.9 ppb
20232.85 ppb86ND - 11.0 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
2018-02-05AE121552.80 ppb
2018-02-05AE121491.70 ppb
2018-06-14AE29989ND
2018-06-14AE29988ND
2018-09-19AE40683ND
2018-09-19AE40685ND
2018-12-11AE48502ND
2018-12-11AE48503ND
2019-03-14AE58410ND
2019-03-14AE58411ND
2019-06-19AE71283ND
2019-06-19AE71285ND
2019-09-11AE83001ND
2019-09-11AE82959ND
2019-12-10AE91878ND
2019-12-10AE91880ND
2020-02-25AE99714ND
2020-02-25AE997221.60 ppb
2020-06-11AF14932ND
2020-06-11AF14933ND
2020-08-13AF23437ND
2020-08-13AF23438ND
2020-12-03AF36353ND
2020-12-03AF36354ND
2021-03-08AF45633ND
2021-03-08AF45638ND
2021-04-29AF51783ND
2021-04-29AF51784ND
2021-08-23AF67342ND
2021-09-20AF70379ND
2021-12-13AF785722.00 ppb
2021-12-13AF785734.00 ppb
2022-03-21AF89750ND
2022-03-21AF89752ND
2022-06-23AG02107ND
2022-06-23AG02108ND
2022-09-21AG1408825.9 ppb
2022-09-21AG140905.30 ppb
2022-12-08AG21264ND
2022-12-08AG212651.10 ppb
2023-03-20AG334362.20 ppb
2023-03-20AG3343711.0 ppb
2023-06-02AG42891ND
2023-06-02AG428931.80 ppb
2023-09-19AG56817ND
2023-09-19AG568181.90 ppb
2023-12-12AG663142.20 ppb
2023-12-12AG663173.70 ppb