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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

California Water Service (CWS) - Salinas

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

 

51

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
2014ND510ND
2015N/A00N/A
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
2014-04-02201404030282AMND
2014-04-02201404030344AMND
2014-04-02201404030379AMND
2014-04-03201404040300AMND
2014-04-08201404090684AMND
2014-04-09201404100609AMND
2014-04-09201404100650AMND
2014-04-09201404100822AMND
2014-04-09201404120174AMND
2014-04-09201404100791AMND
2014-04-10201404120152AMND
2014-04-10201404120134AMND
2014-04-10201404120093AMND
2014-04-10201404120086AMND
2014-04-10201404120143AMND
2014-04-10201404150243AMND
2014-04-10201404120072AMND
2014-04-16201404190040AMND
2014-04-16201404190069AMND
2014-04-17201404190081AMND
2014-04-17201404190051AMND
2014-04-17201404190060AMND
2014-04-22201404230386AMND
2014-04-24201404250184AMND
2014-04-29201404300784AMND
2014-05-29201405300254AMND
2014-09-09201409100968AMND
2014-09-09201409100989AMND
2014-09-09201409100980AMND
2014-09-10201409110914AMND
2014-09-10201409110692AMND
2014-09-10201409110894AMND
2014-09-11201409120736AMND
2014-09-15201409160395AMND
2014-09-16201409170673AMND
2014-09-16201409170783AMND
2014-09-16201409170647AMND
2014-09-17201409180665AMND
2014-09-17201409180768AMND
2014-09-17201409180648AMND
2014-09-17201409180788AMND
2014-09-17201409180757AMND
2014-09-18201409200132AMND
2014-09-18201409190379AMND
2014-09-18201409190389AMND
2014-09-19201409230179AMND
2014-09-22201409230164AMND
2014-09-25201409260422AMND
2014-09-25201409260413AMND
2014-09-25201409260402AMND
2014-09-25201409260431AMND