Know Your Environment. Protect Your Health.

Bromoform

Lake South Water Supply Corporation

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20190.600 ppb21ND - 1.20 ppb
2020ND20ND
20210.600 ppb21ND - 1.20 ppb
2022ND20ND
2023ND20ND

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
2018-08-07AE35976ND
2019-09-24AE843721.20 ppb
2019-09-24AE84423ND
2020-09-02AF26181ND
2020-09-02AF26252ND
2021-09-02AF687341.20 ppb
2021-09-02AF68782ND
2022-08-02AG07268ND
2022-08-02AG07337ND
2023-08-03AG51261ND
2023-08-03AG51332ND