Know Your Environment. Protect Your Health.

Bromochloromethane

Arlington Water Department

NOTE: Arlington Water Department purchases water from SNO PUD 1 - Lake Stevens which is required to test for bromochloromethane. Sample information shown below was taken by SNO PUD 1 - Lake Stevens.

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND80ND
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND20ND
2020N/A00N/A
2021ND20ND
2022ND20ND
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: Arlington Water Department purchases water from SNO PUD 1 - Lake Stevens which is required to test for bromochloromethane. Sample information shown below was taken by SNO PUD 1 - Lake Stevens.

Date Lab ID Result
2014-01-22WA97-SE1-14-01298-3400ND
2014-04-15WA97-SE2-14-06585-15943ND
2014-04-1697-SE1-14-06586-15945ND
2014-07-22WA97-SE3-14-13616-31731ND
2014-10-27WA97-SE4-14-21143-47786ND
2014-10-28WA98-SE2-14-21311-48224ND
2019-11-14ND
2019-11-14ND
2022-05-234286327ND
2022-05-234286326ND