Know Your Environment. Protect Your Health.

Bromoform

Harris County Fresh Water Supply District 1a

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND40ND
2021ND50ND
2022ND50ND
2023ND50ND

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
2018-01-24AE10232ND
2018-01-24AE10123ND
2018-04-11AE22015ND
2018-08-03AE35786ND
2018-11-27AE46974ND
2019-01-11AE49627ND
2019-02-20AE55033ND
2019-04-05AE61374ND
2019-07-18AE75007ND
2019-11-19AE89757ND
2020-01-21AE94289ND
2020-01-21AE94373ND
2020-04-15AF06827ND
2020-10-26AF32106ND
2021-03-08AF45661ND
2021-03-08AF45718ND
2021-05-26AF55568ND
2021-08-02AF64213ND
2021-10-14AF73539ND
2022-01-31AF82528ND
2022-01-31AF82577ND
2022-04-25AF94208ND
2022-09-12AG12418ND
2022-10-03AG15656ND
2023-01-31AG26738ND
2023-04-24AG37651ND
2023-06-14AG44533ND
2023-07-25AG49979ND
2023-11-27Q2350782001ND