Know Your Environment. Protect Your Health.

Dibromoacetic acid

Western Hills Harbor

Dibromoacetic 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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.575 ppb42ND - 1.30 ppb
20190.925 ppb43ND - 1.40 ppb
20200.250 ppb41ND - 1.000 ppb
20210.925 ppb42ND - 2.50 ppb
2022ND20ND
20230.550 ppb21ND - 1.10 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.03 ppb

The EWG Health Guideline of 0.03 ppb for dibromoacetic 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 cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-22Q1802343009ND
2018-05-31Q1821631002ND
2018-07-23Q18290480021.30 ppb
2018-10-03Q18395570011.000 ppb
2019-01-30Q1904578001ND
2019-04-18Q19156970051.40 ppb
2019-08-27Q19598590011.30 ppb
2019-11-06Q19760260011.000 ppb
2020-01-28Q2003239001ND
2020-04-27Q2016255006ND
2020-07-30Q20298920011.000 ppb
2020-10-07Q2039324001ND
2021-03-08Q2105929010ND
2021-06-23Q21164610012.50 ppb
2021-08-09Q21210120011.20 ppb
2021-10-21Q2129793001ND
2022-09-20Q2228064001ND
2022-09-20Q2228064002ND
2023-08-15Q23340400031.10 ppb
2023-09-25Q2341212001ND