Know Your Environment. Protect Your Health.

Bromoform

Harris County Municipal Utility District 418

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND30ND
2021ND20ND
20220.200 ppb51ND - 1.000 ppb
20230.333 ppb31ND - 1.000 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
2018-03-27AE20227ND
2018-06-26AE31420ND
2019-06-03AE68849ND
2019-06-03AE68902ND
2020-03-13AF02929ND
2020-06-10AF14769ND
2020-06-10AF14836ND
2021-02-01AF41921ND
2021-06-30AF60101ND
2022-06-01AF98993ND
2022-06-01AF99041ND
2022-06-01AF99043ND
2022-07-12AG043211.000 ppb
2022-10-24AG18084ND
2023-01-26AG26501ND
2023-01-26AG265051.000 ppb
2023-07-10AG47525ND