Know Your Environment. Protect Your Health.

Cobalt

City of Auburn

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

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND190ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2014-03-11A4B1976-12AND
2014-03-11A4B1976-05AND
2014-03-11A4B1976-01AND
2014-03-12A4B1878-05AND
2014-03-13A4B1976-08AND
2014-03-18A4C0166-09AND
2014-03-18A4C0166-05AND
2014-03-18A4C0166-01AND
2014-04-01A4C1981-05AND
2014-04-01A4C1981-01AND
2014-09-09A4I0142-01AND
2014-09-09A4I0142-06AND
2014-09-16A4I0632-06AND
2014-09-16A4I0632-01AND
2014-09-16A4I0632-11AND
2014-09-30A4I2084-01AND
2014-09-30A4I2084-06AND
2014-12-09A4L0057-01AND
2014-12-09A4L0057-06AND