Know Your Environment. Protect Your Health.

Bromochloroacetic acid

North City Water District

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.

 

80

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND160ND
2020N/A00N/A
20210.0644 ppb161ND - 1.03 ppb
20220.136 ppb162ND - 1.11 ppb
20230.0988 ppb161ND - 1.58 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
2018-02-13ND
2018-02-13ND
2018-02-13ND
2018-02-13ND
2018-05-16ND
2018-05-16ND
2018-05-16ND
2018-05-16ND
2018-08-02ND
2018-08-02ND
2018-08-02ND
2018-08-02ND
2018-11-14ND
2018-11-14ND
2018-11-14ND
2018-11-14ND
2019-02-21ND
2019-02-21ND
2019-02-21ND
2019-02-21ND
2019-05-15ND
2019-05-15ND
2019-05-15ND
2019-05-15ND
2019-08-13ND
2019-08-13ND
2019-08-13ND
2019-08-13ND
2019-11-13ND
2019-11-13ND
2019-11-13ND
2019-11-13ND
2021-02-094078594ND
2021-02-094078596ND
2021-02-094078595ND
2021-02-094078597ND
2021-05-114120996ND
2021-05-114120997ND
2021-05-114120995ND
2021-05-114120994ND
2021-08-124172311ND
2021-08-124172310ND
2021-08-124172312ND
2021-08-124172309ND
2021-11-104206209ND
2021-11-1042062061.03 ppb
2021-11-104206208ND
2021-11-104206207ND
2022-02-084244626ND
2022-02-084244625ND
2022-02-084244624ND
2022-02-084244623ND
2022-05-104284827ND
2022-05-104284826ND
2022-05-104284825ND
2022-05-104284824ND
2022-08-104330607ND
2022-08-104330608ND
2022-08-104330605ND
2022-08-104330606ND
2022-11-0943743501.11 ppb
2022-11-094374352ND
2022-11-094374353ND
2022-11-0943743511.07 ppb
2023-02-134412819ND
2023-02-134412821ND
2023-02-134412820ND
2023-02-134412822ND
2023-05-044452276ND
2023-05-044452278ND
2023-05-044452277ND
2023-05-044452279ND
2023-08-014499173ND
2023-08-014499174ND
2023-08-014499172ND
2023-08-014499175ND
2023-11-064548273ND
2023-11-0645482741.58 ppb
2023-11-064548272ND
2023-11-064548271ND