Know Your Environment. Protect Your Health.

Cobalt

Spanaway Water Company

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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND360ND
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: 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
2014-04-15201404160620AMND
2014-04-15201404160827AMND
2014-04-15201404160567AMND
2014-04-15201404160565AMND
2014-04-15201404160581AMND
2014-04-15201404160630AMND
2014-04-21201404220212AMND
2014-04-21201404220370AMND
2014-04-21201404230324AMND
2014-04-21201404220388AMND
2014-04-21201404230330AMND
2014-04-21201404220210AMND
2014-04-21201404230367AMND
2014-04-21201404220367AMND
2014-04-21201404230359AMND
2014-04-21201404220254AMND
2014-04-22201404230341AMND
2014-04-29201404300789AMND
2014-10-06201410070338AMND
2014-10-06201410070319AMND
2014-10-06201410070399AMND
2014-10-06201410070328AMND
2014-10-06201410070305AMND
2014-10-06201410070285AMND
2014-10-06201410070303AMND
2014-10-06201410070334AMND
2014-10-06201410070325AMND
2014-10-07201410080377AMND
2014-10-07201410080390AMND
2014-10-07201410080392AMND
2014-10-07201410080459AMND
2014-10-21201410220345AMND
2014-10-21201410220343AMND
2014-10-21201410220193AMND
2014-10-22201410230325AMND
2014-11-12201411130680AMND
2015-07-23201507240287AMND