Know Your Environment. Protect Your Health.

Bromochloroacetic acid

Tom Green County Fresh Water Supply District 3

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.833 ppb32ND - 1.50 ppb
20192.40 ppb112.40 ppb
20201.40 ppb111.40 ppb
2021ND20ND
20221.000 ppb221.000 ppb
2023ND20ND

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
2018-02-21Q1807226002ND
2018-05-10Q18193810101.50 ppb
2018-08-09Q18320530011.000 ppb
2019-05-16Q19265160012.40 ppb
2020-05-20Q20201090021.40 ppb
2021-05-19Q2113110017ND
2021-05-19Q2113110018ND
2022-05-19Q22148290091.000 ppb
2022-05-19Q22148290101.000 ppb
2023-05-18Q2318793005ND
2023-05-18Q2318793006ND