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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Baton Rouge Water Company

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

 

49

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
20140.0245 ppb491ND - 1.20 ppb
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
2014-05-0935137755013AM1.20 ppb
2014-05-0935137755015AMND
2014-05-0935137755011AMND
2014-05-0935137755009AMND
2014-05-0935137755003AMND
2014-05-0935137755005AMND
2014-05-0935137755019AMND
2014-05-0935137755007AMND
2014-05-1035137755001AMND
2014-05-1035137755017AMND
2014-05-1635138729011AMND
2014-05-1635138729005AMND
2014-05-1635138729007AMND
2014-05-1635138729003AMND
2014-05-1635138729001AMND
2014-05-1635138729006AMND
2014-05-1635138729009AMND
2014-05-1935138958001AMND
2014-05-1935138958003AMND
2014-05-1935138958006AMND
2014-05-1935138958005AMND
2014-05-2035139390003AMND
2014-05-2035139390001AMND
2014-05-2035139390005AMND
2014-05-2035139390007AMND
2014-11-0735163270001AMND
2014-11-0735163270011AMND
2014-11-0735163270041AMND
2014-11-0735163270013AMND
2014-11-0735163270007AMND
2014-11-0735163270003AMND
2014-11-0735163270005AMND
2014-11-0835163270017AMND
2014-11-0835163270015AMND
2014-11-0835163270009AMND
2014-11-0835163270021AMND
2014-11-0835163270047AMND
2014-11-0835163270019AMND
2014-11-1035163270023AMND
2014-11-1035163270031AMND
2014-11-1035163270025AMND
2014-11-1035163270029AMND
2014-11-1035163270027AMND
2014-11-1135163270039AMND
2014-11-1135163270037AMND
2014-11-1135163270035AMND
2014-11-1135163270043AMND
2014-11-1135163270045AMND
2014-11-1135163270033AMND