Know Your Environment. Protect Your Health.

Bromoform

City of Washougal

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND30ND
2020N/A00N/A
2021ND40ND
2022ND60ND
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
2018-12-18ND
2018-12-18ND
2019-05-07ND
2019-12-10ND
2019-12-10ND
2021-05-174118751ND
2021-06-234136257ND
2021-12-074218401ND
2021-12-074218402ND
2022-09-084359904ND
2022-09-084359902ND
2022-09-084359900ND
2022-11-084374608ND
2022-12-194392422ND
2022-12-194392423ND