Know Your Environment. Protect Your Health.

Dibromoacetic acid

City of Tumwater

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.233 ppb122ND - 1.60 ppb
20190.350 ppb41ND - 1.40 ppb
2020N/A00N/A
2021ND20ND
2022ND20ND
20230.700 ppb21ND - 1.40 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
2018-02-27ND
2018-02-27ND
2018-02-27ND
2018-02-27ND
2018-05-301.20 ppb
2018-05-30ND
2018-05-30ND
2018-05-30ND
2018-08-291.60 ppb
2018-08-29ND
2018-08-29ND
2018-08-29ND
2019-04-24ND
2019-04-24ND
2019-04-24ND
2019-04-241.40 ppb
2021-05-044112922ND
2021-05-044112924ND
2022-08-254359139ND
2022-08-254359134ND
2023-09-1345226891.40 ppb
2023-09-134522688ND