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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

City of Georgetown

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

 

24

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
2013ND240ND
2014N/A00N/A
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
2013-02-13201302140518AMND
2013-02-13201302140627AMND
2013-02-13201302140629AMND
2013-02-13201302140506AMND
2013-02-13201302140512AMND
2013-02-13201302140632AMND
2013-05-21201305220654AMND
2013-05-21201305220658AMND
2013-05-21201305220656AMND
2013-05-30201305310230AMND
2013-05-30201305310202AMND
2013-05-30201305310228AMND
2013-07-30201307310239AMND
2013-07-30201307310244AMND
2013-07-30201307310299AMND
2013-07-30201307310295AMND
2013-07-30201307310261AMND
2013-07-30201307310205AMND
2013-12-04201312050104AMND
2013-12-04201312050089AMND
2013-12-04201312050119AMND
2013-12-13201312160034AMND
2013-12-13201312160036AMND
2013-12-13201312160032AMND