Know Your Environment. Protect Your Health.

Bromoform

Brockway Sanitary District 1

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.320 ppb110.320 ppb
2019ND10ND
2020ND30ND
20210.980 ppb110.980 ppb
2022ND10ND
20230.240 ppb110.240 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
2018-07-173948400010.320 ppb
2019-08-06461630001ND
2020-08-18520481001ND
2020-08-18520480001ND
2020-08-18520434001ND
2021-08-185791130010.980 ppb
2022-08-22638479001ND
2023-08-15CB09663-010.240 ppb