Know Your Environment. Protect Your Health.

Bromochloroacetic acid

Duvall City Of

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
2020N/A00N/A
2021ND80ND
20220.133 ppb81ND - 1.06 ppb
20230.305 ppb82ND - 1.30 ppb

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
2018-02-09ND
2018-02-09ND
2018-05-11ND
2018-05-11ND
2018-08-10ND
2018-08-10ND
2018-11-09ND
2018-11-09ND
2019-02-22ND
2019-02-22ND
2019-05-10ND
2019-05-10ND
2019-08-09ND
2019-08-09ND
2019-11-08ND
2019-11-08ND
2021-02-124078599ND
2021-02-124078598ND
2021-05-144121011ND
2021-05-144121010ND
2021-08-134172283ND
2021-08-134172284ND
2021-11-124206177ND
2021-11-124206176ND
2022-02-114244605ND
2022-02-114244606ND
2022-05-134284802ND
2022-05-134284803ND
2022-08-144330582ND
2022-08-174330583ND
2022-11-1643743281.06 ppb
2022-11-164374329ND
2023-02-104412798ND
2023-02-104412797ND
2023-05-124452262ND
2023-05-124452263ND
2023-08-114499162ND
2023-08-114499163ND
2023-11-0145482581.14 ppb
2023-11-0145482571.30 ppb