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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Amarillo Municipal Water System

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
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
2014-07-16Q1428590001ND
2014-07-16Q1428590005ND
2014-07-16Q1428590017ND
2014-07-16Q1428590019ND
2014-07-16Q1428590021ND
2014-07-16Q1428590023ND
2014-07-16Q1428590013ND
2014-07-16Q1428590009ND
2015-01-27Q1502863013ND
2015-01-27Q1502863005ND
2015-01-27Q1502863001ND
2015-01-27Q1502863023ND
2015-01-27Q1502863017ND
2015-01-27Q1502863021ND
2015-01-27Q1502863019ND
2015-01-27Q1502863009ND