Know Your Environment. Protect Your Health.

Bromoform

Harris County Municipal Utility District 276

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)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.122 ppb91ND - 1.10 ppb
2019ND90ND
20200.667 ppb92ND - 4.40 ppb
2021ND90ND
20220.644 ppb95ND - 1.30 ppb
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
2018-02-07AE12725ND
2018-02-07AE12779ND
2018-02-07AE12724ND
2018-05-14AE26130ND
2018-05-14AE261421.10 ppb
2018-08-27AE38496ND
2018-08-27AE38502ND
2018-11-29AE47371ND
2018-11-29AE47374ND
2019-02-04AE52642ND
2019-02-04AE52647ND
2019-02-04AE52708ND
2019-04-22AE63154ND
2019-04-22AE63157ND
2019-08-08AE77696ND
2019-08-08AE77720ND
2019-12-11AE92111ND
2019-12-11AE92113ND
2020-01-29AE95974ND
2020-01-29AE95975ND
2020-01-29AE96036ND
2020-04-08AF06146ND
2020-04-08AF06148ND
2020-07-20AF198951.60 ppb
2020-07-20AF198964.40 ppb
2020-11-10AF34073ND
2020-11-10AF34075ND
2021-01-21AF40302ND
2021-01-21AF40365ND
2021-01-21AF40303ND
2021-06-07AF56611ND
2021-06-07AF56614ND
2021-08-02AF64192ND
2021-08-02AF64193ND
2021-11-08AF75985ND
2021-11-08AF75990ND
2022-03-03AF87459ND
2022-03-03AF87460ND
2022-03-03AF87502ND
2022-05-13AF969641.000 ppb
2022-05-13AF96969ND
2022-08-01AG070531.10 ppb
2022-08-01AG070561.20 ppb
2022-12-15AG219211.20 ppb
2022-12-15AG219221.30 ppb
2023-02-09AG28332ND
2023-02-09AG28333ND
2023-02-09AG28369ND
2023-04-26AG38164ND
2023-04-26AG38167ND
2023-08-07AG51529ND
2023-08-07AG51544ND
2023-10-16AG59861ND
2023-10-16AG59864ND