Know Your Environment. Protect Your Health.

Cobalt

City of Caldwell

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

 

52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND260ND
2015ND260ND
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
2014-11-24141201001-005ND
2014-11-24141201001-009ND
2014-11-24141201004-007ND
2014-11-24141201001-001ND
2014-11-24141201001-006ND
2014-11-24141201001-002ND
2014-11-24141201004-008ND
2014-11-24141201001-010ND
2014-11-24141201001-008ND
2014-11-24141201004-010ND
2014-11-24141201001-003ND
2014-11-24141201001-004ND
2014-11-24141201001-007ND
2014-11-24141201001-012ND
2014-11-24141201001-011ND
2014-11-25141201004-006ND
2014-11-25141201004-003ND
2014-11-25141201004-002ND
2014-11-25141201004-009ND
2014-11-25141201004-004ND
2014-11-25141201004-001ND
2014-11-25141201004-005ND
2014-11-25141201004-011ND
2014-12-01141202018-001ND
2014-12-01141202018-002ND
2014-12-01141202018-003ND
2015-05-26150528035-001ND
2015-05-26150528035-008ND
2015-05-26150528035-003ND
2015-05-26150528035-005ND
2015-05-26150528035-002ND
2015-05-27150529019-004ND
2015-05-27150529019-013ND
2015-05-27150529019-012ND
2015-05-27150529019-014ND
2015-05-27150529019-011ND
2015-05-27150529019-005ND
2015-05-27150529019-010ND
2015-05-27150529019-008ND
2015-05-27150529019-016ND
2015-05-27150529019-015ND
2015-05-27150529019-007ND
2015-05-27150529019-009ND
2015-05-27150528035-004ND
2015-05-27150528035-006ND
2015-05-27150528035-007ND
2015-05-27150528035-009ND
2015-05-27150528035-010ND
2015-05-28150529019-001ND
2015-05-28150529019-002ND
2015-07-30150803001-002ND
2015-07-30150803001-001ND