Know Your Environment. Protect Your Health.

Cobalt

City of The Dalles

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND180ND
2015ND20ND
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
2014-05-07A4D1741-07AND
2014-05-07A4D1741-01AND
2014-05-07A4D1741-12AND
2014-05-07A4D1741-14AND
2014-05-07A4D1741-04AND
2014-05-07A4D1741-10AND
2014-05-21A4D1758-01AND
2014-05-21A4D1758-04AND
2014-08-06A4G2099-01AND
2014-08-06A4G2099-04AND
2014-10-23A4J1614-01AND
2014-10-23A4J1614-07AND
2014-10-23A4J1614-04AND
2014-10-23A4J1614-10AND
2014-10-23A4J1614-12AND
2014-10-23A4J1614-14AND
2014-11-26A4K1911-01AND
2014-11-26A4K1911-03AND
2015-02-10A5A0912-01AND
2015-02-10A5A0912-04AND