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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Carolina Beach Water System

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

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND150ND
2015ND160ND
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
2014-11-243146227ND
2014-11-243146155ND
2014-11-243146199ND
2014-11-243146139ND
2014-11-243146186ND
2014-11-243146126ND
2014-11-243146205ND
2014-11-243146190ND
2014-11-243146218ND
2014-11-243146143ND
2014-11-243146177ND
2014-11-243146159ND
2014-11-243146231ND
2014-11-243146214ND
2014-11-243146171ND
2015-05-203247122ND
2015-05-203247076ND
2015-05-203247192ND
2015-05-203247169ND
2015-05-203247381ND
2015-05-203247333ND
2015-05-203247063ND
2015-05-203247110ND
2015-05-203247364ND
2015-05-203247068ND
2015-05-203247130ND
2015-05-203247304ND
2015-05-203247198ND
2015-05-203247341ND
2015-05-203247134ND
2015-05-203247126ND