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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

City of Kerrville

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

 

28

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
2013ND140ND
2014ND140ND
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
2013-08-2635106170011AMND
2013-08-2635106170009AMND
2013-08-2635106170003AMND
2013-08-2635106170001AMND
2013-08-2635106170007AMND
2013-08-2635106170005AMND
2013-08-2735106349003AMND
2013-08-2735106349011AMND
2013-08-2735106349005AMND
2013-08-2735106349001AMND
2013-08-2735106349009AMND
2013-08-2735106349007AMND
2013-11-1335115870001AMND
2013-11-1335115870003AMND
2014-02-1835127285005AMND
2014-02-1835127285003AMND
2014-02-1835127285001AMND
2014-02-1835127285009AMND
2014-02-1835127285011AMND
2014-02-1835127285007AMND
2014-02-1935127269011AMND
2014-02-1935127269005AMND
2014-02-1935127269009AMND
2014-02-1935127269007AMND
2014-02-1935127269003AMND
2014-02-1935127269001AMND
2014-05-2035139241001AMND
2014-05-2035139241003AMND