Know Your Environment. Protect Your Health.

Bromoform

Harris County Municipal Utility District 144

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND50ND
2021ND50ND
20220.220 ppb51ND - 1.10 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
2018-02-08AE13051ND
2018-02-08AE13015ND
2018-05-08AE25561ND
2018-08-01AE35297ND
2018-10-24AE44468ND
2019-01-28AE51614ND
2019-01-28AE51686ND
2019-04-23AE63376ND
2019-07-30AE76384ND
2019-10-10AE86290ND
2020-01-13AE93089ND
2020-04-01AF05264ND
2020-04-01AF05277ND
2020-09-21AF27873ND
2020-11-05AF33438ND
2021-03-09AF45962ND
2021-03-09AF46054ND
2021-04-20AF50686ND
2021-07-23AF63233ND
2021-11-09AF76121ND
2022-03-01AF86863ND
2022-03-01AF86940ND
2022-05-09AF95972ND
2022-08-10AG08518ND
2022-11-14AG186761.10 ppb
2023-02-22AG29904ND
2023-02-22AG29956ND
2023-05-15AG40435ND
2023-07-17AG48736ND
2023-10-09AG58868ND