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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Findlay City

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/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
2014-04-16201404230741AMND
2014-04-16201404230743AMND
2014-07-11201407180213AMND
2014-07-11201407180211AMND
2014-10-29201411050665AMND
2014-10-29201411050663AMND
2015-01-16201501230340AMND
2015-01-16201501230338AMND