Know Your Environment. Protect Your Health.

Cobalt

Sammamish Plateau Water and Sewer

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND260ND
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: 70 ppb

The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.

ppb = parts per billion

All test results

Date Lab ID Result
2015-03-1035178934005AMND
2015-03-1035178934007AMND
2015-03-1035178934001AMND
2015-03-1035178934003AMND
2015-03-1035178934015AMND
2015-03-1035178934009AMND
2015-03-1035178934013AMND
2015-03-1035178934011AMND
2015-03-3035181633007AMND
2015-03-3035181633005AMND
2015-03-3035181633011AMND
2015-03-3035181633013AMND
2015-03-3135181843007AMND
2015-03-3135181843001AMND
2015-09-0335205946019AMND
2015-09-0335205946009AMND
2015-09-0335205946011AMND
2015-09-0335205946015AMND
2015-09-0335205946013AMND
2015-09-0335205946003AMND
2015-09-0335205946017AMND
2015-09-0335205946001AMND
2015-09-0335205946005AMND
2015-09-0335205946007AMND
2015-09-3035209763003AMND
2015-09-3035209763001AMND