Know Your Environment. Protect Your Health.

Bromoform

Harris County Municipal Utility District 162

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.

 

33

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.420 ppb52ND - 1.10 ppb
2019ND50ND
20200.720 ppb53ND - 1.50 ppb
2021ND70ND
20220.533 ppb63ND - 1.20 ppb
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
2018-01-30AE112631.000 ppb
2018-01-30AE112341.10 ppb
2018-05-16AE26565ND
2018-08-23AE38421ND
2018-11-15AE46249ND
2019-03-07AE57575ND
2019-04-23AE63379ND
2019-06-03AE68904ND
2019-08-27AE81016ND
2019-10-30AE87988ND
2020-02-26AF000221.10 ppb
2020-02-26AF000591.50 ppb
2020-04-29AF08698ND
2020-08-17AF241001.000 ppb
2020-11-09AF33736ND
2021-03-08AF45663ND
2021-04-20AF50717ND
2021-04-20AF50746ND
2021-09-01AF68562ND
2021-09-01AF68571ND
2021-11-16AF76791ND
2021-11-16AF76794ND
2022-03-03AF87484ND
2022-03-03AF87500ND
2022-06-14AG00708ND
2022-06-14AG007401.000 ppb
2022-09-08AG121281.20 ppb
2022-11-16AG190271.000 ppb
2023-02-28AG30816ND
2023-02-28AG30835ND
2023-04-11AG36287ND
2023-08-23AG53707ND
2023-10-23AG60653ND