Know Your Environment. Protect Your Health.

Bromoform

Lake Forest Utility 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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.800 ppb31ND - 2.40 ppb
20191.90 ppb32ND - 4.50 ppb
20201.30 ppb32ND - 2.90 ppb
20212.58 ppb42ND - 9.10 ppb
20220.600 ppb31ND - 1.80 ppb
2023ND30ND

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
2018-06-19AE307862.40 ppb
2018-06-19AE30802ND
2018-06-19AE30714ND
2019-09-05AE822584.50 ppb
2019-09-05AE82290ND
2019-09-05AE823041.20 ppb
2020-08-26AF253452.90 ppb
2020-10-26AF31920ND
2020-10-26AF319281.000 ppb
2021-03-08AF45706ND
2021-03-08AF457081.20 ppb
2021-04-19AF50507ND
2021-08-10AF655939.10 ppb
2022-07-21AG05730ND
2022-07-21AG05779ND
2022-12-12AG215021.80 ppb
2023-08-23AG53702ND
2023-08-23AG53719ND
2023-08-23AG53721ND