Know Your Environment. Protect Your Health.

Bromoform

Selah City Of

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.840 ppb43ND - 1.66 ppb
2020N/A00N/A
2021ND20ND
20220.330 ppb31ND - 0.990 ppb
20230.272 ppb51ND - 1.36 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
2018-07-12ND
2018-07-12ND
2019-07-231.66 ppb
2019-07-23ND
2019-07-250.600 ppb
2019-07-251.10 ppb
2021-07-144149164ND
2021-07-144149165ND
2022-07-114325406ND
2022-07-1943195010.990 ppb
2022-07-194319503ND
2023-03-284436987ND
2023-03-284436986ND
2023-03-284443033ND
2023-07-184498857ND
2023-07-1844988591.36 ppb