Know Your Environment. Protect Your Health.

Bromochloroacetic acid

City of Tumwater

Bromochloroacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Bromochloroacetic acid and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

 

20

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.175 ppb122ND - 1.10 ppb
2019ND40ND
2020N/A00N/A
2021ND20ND
20220.500 ppb21ND - 1.000 ppb
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.02 ppb

The EWG Health Guideline of 0.02 ppb for bromochloroacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-27ND
2018-02-27ND
2018-02-27ND
2018-02-27ND
2018-05-301.000 ppb
2018-05-30ND
2018-05-30ND
2018-05-30ND
2018-08-291.10 ppb
2018-08-29ND
2018-08-29ND
2018-08-29ND
2019-04-24ND
2019-04-24ND
2019-04-24ND
2019-04-24ND
2021-05-044112924ND
2021-05-044112922ND
2022-08-254359134ND
2022-08-2543591391.000 ppb