Know Your Environment. Protect Your Health.

Bromochloroacetic acid

Grand Harbor Water Supply Corporation

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.33 ppb42ND - 3.70 ppb
201913.1 ppb43ND - 25.5 ppb
202014.8 ppb43ND - 24.3 ppb
20219.28 ppb443.30 ppb - 17.3 ppb
20227.70 ppb442.10 ppb - 22.5 ppb
20239.33 ppb442.00 ppb - 18.7 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
2018-02-28Q18082400011.60 ppb
2018-06-07Q1822706001ND
2018-09-26Q1838502001ND
2018-12-13Q18516800023.70 ppb
2019-02-14Q190706000125.5 ppb
2019-06-06Q1932778001ND
2019-08-13Q195415500125.0 ppb
2019-10-30Q19746110022.00 ppb
2020-02-13Q200593800223.8 ppb
2020-06-01Q202144800124.3 ppb
2020-09-14Q2036301001ND
2020-12-16Q204986800111.0 ppb
2021-03-18Q210715000217.3 ppb
2021-05-12Q21124210018.10 ppb
2021-08-11Q21213730018.40 ppb
2021-12-16Q21357210023.30 ppb
2022-03-07Q22076570023.80 ppb
2022-06-07Q22158540012.40 ppb
2022-09-09Q222698500122.5 ppb
2022-11-21Q22349750012.10 ppb
2023-03-21Q23106820012.00 ppb
2023-06-20Q23235430017.50 ppb
2023-09-12Q23390770019.10 ppb
2023-12-05Q235172600118.7 ppb