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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Bend Water Department

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

MORE ABOUT THIS CONTAMINANT

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND20ND
2014ND260ND
2015N/A00N/A
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
2013-12-10201312110554AMND
2013-12-10201312110810AMND
2014-03-05201403060218AMND
2014-03-05201403060267AMND
2014-04-22201404230508AMND
2014-04-22201404230502AMND
2014-04-22201404230406AMND
2014-04-22201404230361AMND
2014-04-23201404240551AMND
2014-04-23201404240309AMND
2014-04-23201404240322AMND
2014-04-23201404240335AMND
2014-04-23201404240484AMND
2014-04-23201404240320AMND
2014-06-04201406050155AMND
2014-07-09201407100562AMND
2014-09-16201409170762AMND
2014-09-16201409180256AMND
2014-10-07201410080411AMND
2014-10-08201410090244AMND
2014-10-20201410210282AMND
2014-10-20201410210306AMND
2014-10-28201410290389AMND
2014-10-28201410290395AMND
2014-10-28201410290399AMND
2014-10-28201410290391AMND
2014-11-19201411200412AMND
2014-11-19201411200410AMND