Know Your Environment. Protect Your Health.

Bromochloroacetic acid

Harris County Water Control and Improvement District 89

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

28

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20185.38 ppb882.40 ppb - 9.90 ppb
20195.36 ppb883.70 ppb - 8.10 ppb
20206.03 ppb883.10 ppb - 8.60 ppb
20211.64 ppb84ND - 4.40 ppb
2022ND80ND
2023ND80ND

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
2018-01-29AE109662.40 ppb
2018-01-29AE109142.90 ppb
2018-04-11AE222359.90 ppb
2018-04-11AE222287.50 ppb
2018-08-06AE358075.60 ppb
2018-08-06AE358087.60 ppb
2018-11-15AE462183.20 ppb
2018-11-15AE462343.90 ppb
2019-02-19AE548293.80 ppb
2019-02-19AE548343.70 ppb
2019-04-19AE631254.00 ppb
2019-04-19AE631305.30 ppb
2019-08-13AE782755.60 ppb
2019-08-13AE782525.50 ppb
2019-10-16AE869078.10 ppb
2019-10-16AE869166.90 ppb
2020-01-22AE946285.70 ppb
2020-01-22AE946486.20 ppb
2020-04-22AF076205.60 ppb
2020-04-22AF076226.30 ppb
2020-07-29AF211028.60 ppb
2020-07-29AF211047.20 ppb
2020-10-22AF316433.10 ppb
2020-10-22AF316445.50 ppb
2021-02-23AF439212.00 ppb
2021-02-23AF43923ND
2021-04-22AF510744.40 ppb
2021-04-22AF510772.70 ppb
2021-07-08AF61122ND
2021-07-08AF611264.00 ppb
2021-11-29AF77344ND
2021-11-29AF77346ND
2022-01-31AF82503ND
2022-01-31AF82516ND
2022-04-25AF94190ND
2022-04-25AF94191ND
2022-07-26AG06346ND
2022-07-26AG06347ND
2022-12-12AG21443ND
2022-12-12AG21452ND
2023-03-07AG31855ND
2023-03-07AG31856ND
2023-04-27AG38410ND
2023-04-27AG38411ND
2023-07-17AG48709ND
2023-07-17AG48710ND
2023-11-06AG62359ND
2023-11-06AG62360ND