Know Your Environment. Protect Your Health.

Dibromoacetic acid

Harris County Fresh Water Supply District 1a

Dibromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

23

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.33 ppb42ND - 3.80 ppb
2019ND40ND
2020ND30ND
2021ND40ND
20220.850 ppb42ND - 2.00 ppb
20230.650 ppb42ND - 1.60 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.03 ppb

The EWG Health Guideline of 0.03 ppb for dibromoacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-24AE101231.50 ppb
2018-04-11AE22015ND
2018-08-03AE357863.80 ppb
2018-11-27AE46974ND
2019-02-20AE55033ND
2019-04-05AE61374ND
2019-07-18AE75007ND
2019-11-19AE89757ND
2020-01-21AE94289ND
2020-04-15AF06827ND
2020-10-26AF32106ND
2021-03-08AF45661ND
2021-05-26AF55568ND
2021-08-02AF64213ND
2021-10-14AF73539ND
2022-01-31AF82528ND
2022-04-25AF94208ND
2022-09-12AG124181.40 ppb
2022-10-03AG156562.00 ppb
2023-01-31AG26738ND
2023-04-24AG376511.000 ppb
2023-07-25AG499791.60 ppb
2023-11-27Q2350782001ND