Know Your Environment. Protect Your Health.

Monobromoacetic acid

Walnut, City of

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.28 ppb42ND - 3.70 ppb
20190.755 ppb43ND - 1.90 ppb
20201.20 ppb440.800 ppb - 1.60 ppb
20210.705 ppb440.500 ppb - 1.10 ppb
20221.31 ppb43ND - 2.60 ppb
20233.08 ppb440.570 ppb - 9.90 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
2018-01-219085933.70 ppb
2018-04-239386151.40 ppb
2018-08-211029470ND
2018-10-211064369ND
2019-01-2111080080.580 ppb
2019-04-2111399460.540 ppb
2019-07-2912130751.90 ppb
2019-10-201262355ND
2020-01-2013124480.800 ppb
2020-04-2713638591.40 ppb
2020-07-2014514841.000 ppb
2020-11-0116272521.60 ppb
2021-01-2417530881.10 ppb
2021-05-1018374200.500 ppb
2021-07-2718967770.610 ppb
2021-10-1719948060.610 ppb
2022-01-232168512ND
2022-04-0322298540.540 ppb
2022-07-1723067962.10 ppb
2022-10-1623802432.60 ppb
2023-01-2224363360.930 ppb
2023-04-1624843330.570 ppb
2023-07-2425433740.900 ppb
2023-10-1525954349.90 ppb