Know Your Environment. Protect Your Health.

Bromochloroacetic acid

Port Angeles Composite

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)

11

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.588 ppb83ND - 2.70 ppb
20190.138 ppb81ND - 1.10 ppb
2020N/A00N/A
20210.363 ppb82ND - 1.90 ppb
20220.425 ppb83ND - 1.30 ppb
20230.400 ppb82ND - 2.10 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
2018-02-14ND
2018-02-14ND
2018-05-16ND
2018-05-16ND
2018-08-171.000 ppb
2018-08-201.000 ppb
2018-11-14ND
2018-11-142.70 ppb
2019-02-19ND
2019-02-19ND
2019-05-09ND
2019-05-091.10 ppb
2019-08-19ND
2019-08-19ND
2019-11-20ND
2019-11-20ND
2021-02-234081146ND
2021-02-234081108ND
2021-05-244120063ND
2021-05-244120061ND
2021-08-244166228ND
2021-08-254166226ND
2021-11-2342204011.90 ppb
2021-11-2342203991.000 ppb
2022-02-2442474611.10 ppb
2022-02-244247475ND
2022-05-0943026091.000 ppb
2022-06-304309417ND
2022-08-2243396431.30 ppb
2022-08-224339638ND
2022-11-284389313ND
2022-11-284389316ND
2023-02-064415132ND
2023-02-064415130ND
2023-05-094457478ND
2023-05-094457480ND
2023-08-144506969ND
2023-08-1445069672.10 ppb
2023-11-084547324ND
2023-11-0845473261.10 ppb