Know Your Environment. Protect Your Health.

Bromoform

Brazosport Water Authority

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

13

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.800 ppb21ND - 1.60 ppb
2019ND20ND
20200.600 ppb21ND - 1.20 ppb
2021ND20ND
20223.00 ppb222.00 ppb - 4.00 ppb
20232.60 ppb32ND - 4.40 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is based on 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, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-06AE288301.60 ppb
2018-07-12AE33163ND
2019-05-13AE65915ND
2019-07-08AE73438ND
2020-05-05AF09660ND
2020-08-26AF256891.20 ppb
2021-05-27AF55772ND
2021-08-16AF66462ND
2022-05-05AF956752.00 ppb
2022-09-07AG118754.00 ppb
2023-05-15AG40431ND
2023-08-24AG540423.40 ppb
2023-11-13AG633694.40 ppb