Know Your Environment. Protect Your Health.

Bromochloromethane

SNO PUD 1 - Lake Stevens

NOTE: SNO PUD 1 - Lake Stevens purchases water from City of Everett Public Works Department which is required to test for bromochloromethane. Sample information shown below was taken by City of Everett Public Works Department.

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND20ND
2020N/A00N/A
2021ND10ND
2022ND20ND
2023ND10ND

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: SNO PUD 1 - Lake Stevens purchases water from City of Everett Public Works Department which is required to test for bromochloromethane. Sample information shown below was taken by City of Everett Public Works Department.

Date Lab ID Result
2014-01-23201401240052AMND
2014-04-16201404180338AMND
2014-07-22201407230532AMND
2014-10-15201410160323AMND
2018-06-12ND
2019-06-11ND
2021-06-284139234ND
2022-06-224325407ND
2023-06-154531531ND