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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Galveston County WCID 1

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
2013N/A00N/A
2014ND240ND
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
2014-01-30Q1402958017ND
2014-01-30Q1402958007ND
2014-01-30Q1402958003ND
2014-01-30Q1402958005ND
2014-01-30Q1402958009ND
2014-01-30Q1402958015ND
2014-01-30Q1402958019ND
2014-01-30Q1402958001ND
2014-01-30Q1402958013ND
2014-01-30Q1402958011ND
2014-04-23Q1412817003ND
2014-04-23Q1412817001ND
2014-07-30Q1432033017ND
2014-07-30Q1432033011ND
2014-07-30Q1432033007ND
2014-07-30Q1432033001ND
2014-07-30Q1432033003ND
2014-07-30Q1432033005ND
2014-07-30Q1432033009ND
2014-07-30Q1432033019ND
2014-07-30Q1432033015ND
2014-07-30Q1432033013ND
2014-10-22Q1453353003ND
2014-10-22Q1453353001ND