Know Your Environment. Protect Your Health.

Bromoform

Harris County Municipal Utility District 412

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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND90ND
2019ND90ND
2020ND90ND
20210.256 ppb91ND - 2.30 ppb
2022ND90ND
2023ND90ND

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
2018-02-14AE14043ND
2018-02-14AE14010ND
2018-02-14AE14117ND
2018-06-25AE31148ND
2018-06-25AE31150ND
2018-08-27AE38510ND
2018-08-27AE38511ND
2018-11-15AE46219ND
2018-11-15AE46222ND
2019-01-31AE52421ND
2019-01-31AE52424ND
2019-04-18AE62922ND
2019-04-18AE62924ND
2019-04-18AE62977ND
2019-08-15AE78916ND
2019-08-15AE78913ND
2019-12-16AE92425ND
2019-12-16AE92427ND
2020-02-13AE98405ND
2020-02-13AE98406ND
2020-02-13AE98449ND
2020-05-28AF13090ND
2020-05-28AF13091ND
2020-08-25AF25127ND
2020-08-25AF25132ND
2020-11-09AF33695ND
2020-11-09AF33696ND
2021-03-04AF45336ND
2021-03-04AF45337ND
2021-06-04AF56633ND
2021-06-04AF56635ND
2021-06-04AF56660ND
2021-09-09AF693032.30 ppb
2021-09-09AF69310ND
2021-11-01AF75214ND
2021-11-01AF75217ND
2022-02-10AF84256ND
2022-02-10AF84257ND
2022-02-10AF84315ND
2022-05-13AF96909ND
2022-05-13AF96912ND
2022-09-28AG15169ND
2022-09-28AG15176ND
2022-12-12AG21560ND
2022-12-12AG21561ND
2023-02-22AG29928ND
2023-02-22AG29929ND
2023-02-22AG29950ND
2023-05-15AG40455ND
2023-05-15AG40469ND
2023-09-26AG57576ND
2023-09-26AG57577ND
2023-11-06AG62343ND
2023-11-06AG62344ND