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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

San Bernardino City

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

MORE ABOUT THIS CONTAMINANT

 

72

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND360ND
2014ND360ND
2015N/A00N/A
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
2013-07-17201307170682AMND
2013-07-17201307170680AMND
2013-07-17201307170699AMND
2013-07-17201307170693AMND
2013-07-17201307170697AMND
2013-07-17201307170701AMND
2013-07-17201307170652AMND
2013-07-17201307170676AMND
2013-07-17201307170684AMND
2013-07-17201307170695AMND
2013-07-17201307170656AMND
2013-07-17201307170658AMND
2013-07-17201307170646AMND
2013-07-17201307170648AMND
2013-07-17201307170686AMND
2013-07-17201307170650AMND
2013-07-17201307170654AMND
2013-07-17201307170678AMND
2013-07-18201307180847AMND
2013-07-18201307180859AMND
2013-07-18201307180857AMND
2013-07-18201307180867AMND
2013-07-18201307180840AMND
2013-07-18201307180838AMND
2013-07-18201307180842AMND
2013-07-18201307180873AMND
2013-07-18201307180861AMND
2013-07-18201307180865AMND
2013-07-18201307180844AMND
2013-07-18201307180855AMND
2013-07-18201307180863AMND
2013-07-18201307180869AMND
2013-07-18201307180851AMND
2013-07-18201307180871AMND
2013-07-18201307180853AMND
2013-07-18201307180849AMND
2014-01-22201401220693AMND
2014-01-22201401220699AMND
2014-01-22201401220715AMND
2014-01-22201401220683AMND
2014-01-22201401220695AMND
2014-01-22201401220697AMND
2014-01-22201401220681AMND
2014-01-22201401220689AMND
2014-01-22201401220685AMND
2014-01-22201401220705AMND
2014-01-22201401220703AMND
2014-01-22201401220701AMND
2014-01-22201401220687AMND
2014-01-22201401220711AMND
2014-01-22201401220713AMND
2014-01-22201401220709AMND
2014-01-22201401220707AMND
2014-01-22201401220691AMND
2014-01-23201401230655AMND
2014-01-23201401230671AMND
2014-01-23201401230651AMND
2014-01-23201401230653AMND
2014-01-23201401230663AMND
2014-01-23201401230665AMND
2014-01-23201401230673AMND
2014-01-23201401230667AMND
2014-01-23201401230669AMND
2014-01-23201401230661AMND
2014-01-23201401230659AMND
2014-01-23201401230622AMND
2014-01-23201401230626AMND
2014-01-23201401230657AMND
2014-01-23201401230624AMND
2014-01-23201401230649AMND
2014-01-23201401230628AMND
2014-01-23201401230620AMND