Know Your Environment. Protect Your Health.

Bromoform

Lake County Public Water District

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
20200.566 ppb110.566 ppb
20210.569 ppb110.569 ppb
2022ND10ND
20230.558 ppb110.558 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
2018-08-068080900-01ND
2019-08-059080616-01ND
2020-08-030080156-010.566 ppb
2021-08-02EH00279-010.569 ppb
2022-08-01FH00182-01ND
2023-08-07GH01346-010.558 ppb