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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Pflugerville

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND130ND
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
2015-02-11Q1505715003ND
2015-02-11Q1505715007ND
2015-02-11Q1505715005ND
2015-02-11Q1505715009ND
2015-02-11Q1505715001ND
2015-05-27Q1519174001ND
2015-05-27Q1519174003ND
2015-08-17Q1532532005ND
2015-08-17Q1532532007ND
2015-08-17Q1532532003ND
2015-08-17Q1532532001ND
2015-11-17Q1545155003ND
2015-11-17Q1545155001ND