Know Your Environment. Protect Your Health.

Bromochloroacetic acid

Lwwsd - South Shore Water System

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.367 ppb31ND - 1.10 ppb
2020N/A00N/A
2021ND80ND
20220.320 ppb103ND - 1.10 ppb
20230.700 ppb64ND - 1.10 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
2018-07-18ND
2018-07-18ND
2019-07-101.10 ppb
2019-07-10ND
2019-07-10ND
2021-03-254095912ND
2021-03-254095910ND
2021-05-064114150ND
2021-05-064114152ND
2021-07-224148997ND
2021-07-224148995ND
2021-10-124197751ND
2021-10-124197753ND
2022-01-134234095ND
2022-01-134234153ND
2022-01-1342341391.000 ppb
2022-01-134234126ND
2022-04-1342789071.10 ppb
2022-04-1342789091.10 ppb
2022-07-254323694ND
2022-07-254323692ND
2022-10-204368418ND
2022-10-204368416ND
2023-01-1944002341.000 ppb
2023-01-1944002361.000 ppb
2023-04-114437333ND
2023-04-114437335ND
2023-07-1845464621.10 ppb
2023-07-1845464701.10 ppb