Know Your Environment. Protect Your Health.

Bromoform

Whitehall Waterworks

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)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20190.220 ppb110.220 ppb
2020ND10ND
20210.410 ppb110.410 ppb
20220.160 ppb110.160 ppb
20230.580 ppb110.580 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
2018-07-301070574ND
2019-09-0311452600.220 ppb
2020-08-171207725ND
2021-09-1512778600.410 ppb
2022-08-3113332440.160 ppb
2023-08-21CB10011-010.580 ppb