Know Your Environment. Protect Your Health.

Bromoform

Othello Water Department

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.85 ppb43ND - 6.90 ppb
20190.775 ppb42ND - 2.60 ppb
2020N/A00N/A
20210.550 ppb61ND - 3.30 ppb
20220.0556 ppb91ND - 0.500 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
2018-08-086.90 ppb
2018-08-083.60 ppb
2018-08-084.90 ppb
2018-12-13ND
2019-06-18ND
2019-07-08ND
2019-08-150.500 ppb
2019-08-152.60 ppb
2021-03-314102279ND
2021-08-1041592043.30 ppb
2021-08-114169236ND
2021-08-114169108ND
2021-10-134202782ND
2021-10-134202781ND
2022-03-154263100ND
2022-06-024298828ND
2022-06-084298812ND
2022-06-084298813ND
2022-08-084335854ND
2022-08-0843351400.500 ppb
2022-09-064364663ND
2022-09-064364651ND
2022-10-064364641ND
2023-04-174448578ND
2023-06-124499780ND
2023-08-144508758ND