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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Moscow Water Department

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
2012N/A00N/A
2013N/A00N/A
20142.02 ppb101ND - 20.2 ppb
20151.69 ppb101ND - 16.9 ppb
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-10-03141003018-00520.2 ppb
2014-10-03141003018-003ND
2014-10-03141003018-001ND
2014-10-03141003018-002ND
2014-10-03141003018-014ND
2014-10-03141003018-015ND
2014-10-03141003018-012ND
2014-10-03141003018-013ND
2014-10-03141003018-004ND
2014-10-03141003018-011ND
2015-04-01150401020-014ND
2015-04-01150401020-003ND
2015-04-01150401020-004ND
2015-04-01150401020-013ND
2015-04-01150401020-001ND
2015-04-01150401020-011ND
2015-04-01150401020-015ND
2015-04-01150401020-012ND
2015-04-01150401020-00516.9 ppb
2015-04-01150401020-002ND