Know Your Environment. Protect Your Health.

Bromochloroacetic acid

Tennessee 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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20191.25 ppb21ND - 2.50 ppb
2020ND40ND
20210.600 ppb42ND - 1.20 ppb
2022ND40ND
20231.000 ppb42ND - 3.00 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
2018-09-25Q1838498001ND
2019-08-20Q19570330012.50 ppb
2019-12-09Q1979270001ND
2020-03-24Q2012417006ND
2020-05-20Q2020361001ND
2020-08-06Q2031210001ND
2020-11-04Q2043075001ND
2021-01-26Q2101843009ND
2021-04-13Q21093990011.20 ppb
2021-09-02Q2123957001ND
2021-12-02Q21333200011.20 ppb
2022-02-01Q2203642006ND
2022-04-11Q2210995001ND
2022-09-06Q2226343001ND
2022-11-14Q2234031001ND
2023-03-01Q23082580063.00 ppb
2023-05-22Q2319040001ND
2023-07-20Q2328766001ND
2023-10-02Q23420970011.000 ppb