Know Your Environment. Protect Your Health.

Bromochloromethane

West Slope Water District

NOTE: West Slope Water District purchases water from Portland Water Bureau which is required to test for bromochloromethane. Sample information shown below was taken by Portland Water Bureau.

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND10ND
2014ND30ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromochloromethane was defined by the California Office of Environmental Health Hazard Assessment as a 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

NOTE: West Slope Water District purchases water from Portland Water Bureau which is required to test for bromochloromethane. Sample information shown below was taken by Portland Water Bureau.

Date Lab ID Result
2014-03-19201403200340AMND
2014-06-26201406270434AMND
2014-07-08201407090732AMND
2014-09-11201409120826AMND
2014-12-10201412110612AMND
2015-06-17201506180496AMND