Know Your Environment. Protect Your Health.

Bromoform

City of Pullman 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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.650 ppb220.570 ppb - 0.730 ppb
2019ND70ND
2020N/A00N/A
20210.390 ppb21ND - 0.780 ppb
20220.260 ppb21ND - 0.520 ppb
2023N/A00N/A

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
2018-08-200.570 ppb
2018-08-200.730 ppb
2019-05-14ND
2019-05-14ND
2019-05-14ND
2019-05-14ND
2019-05-14ND
2019-08-14ND
2019-08-14ND
2021-08-2441673590.780 ppb
2021-08-244167357ND
2022-08-164333697ND
2022-08-1643336950.520 ppb