Know Your Environment. Protect Your Health.

Cobalt

Silverdale Water District 16

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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND220ND
2015ND220ND
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
2014-12-08201412090605AMND
2014-12-08201412090590AMND
2014-12-08201412090603AMND
2014-12-08201412090583AMND
2014-12-08201412090767AMND
2014-12-08201412090508AMND
2014-12-09201412100442AMND
2014-12-09201412100776AMND
2014-12-09201412100830AMND
2014-12-10201412110237AMND
2014-12-10201412110884AMND
2014-12-18201412190343AMND
2014-12-18201412190353AMND
2014-12-18201412190360AMND
2014-12-18201412190156AMND
2014-12-18201412190170AMND
2014-12-18201412190172AMND
2014-12-18201412190154AMND
2014-12-22201412300248AMND
2014-12-22201412230505AMND
2014-12-22201412230665AMND
2014-12-22201412230809AMND
2015-06-16201506170375AMND
2015-06-16201506170589AMND
2015-06-16201506170384AMND
2015-06-16201506170352AMND
2015-06-16201506170403AMND
2015-06-17201506190057AMND
2015-06-17201506180486AMND
2015-06-17201506180501AMND
2015-06-17201506180490AMND
2015-06-17201506180469AMND
2015-06-17201506180429AMND
2015-06-22201506230801AMND
2015-06-29201506300483AMND
2015-06-29201506300289AMND
2015-06-29201506300285AMND
2015-06-29201506300444AMND
2015-06-29201506300345AMND
2015-06-29201506300291AMND
2015-06-29201506230408AMND
2015-06-29201506300448AMND
2015-06-29201506300281AMND
2015-06-29201506300173AMND