Cobalt
City of Spokane
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
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2015 | ND | 16 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/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 |
|---|---|---|
| 2015-03-23 | 150324054-011 | ND |
| 2015-03-23 | 150324054-004 | ND |
| 2015-03-23 | 150324054-013 | ND |
| 2015-03-23 | 150324054-012 | ND |
| 2015-03-23 | 150324054-005 | ND |
| 2015-03-23 | 150324054-001 | ND |
| 2015-03-23 | 150324054-003 | ND |
| 2015-03-23 | 150324054-002 | ND |
| 2015-09-28 | 150930003-010 | ND |
| 2015-09-28 | 150930003-009 | ND |
| 2015-09-28 | 150930003-012 | ND |
| 2015-09-28 | 150930003-011 | ND |
| 2015-09-28 | 150930003-013 | ND |
| 2015-09-28 | 150930003-007 | ND |
| 2015-09-28 | 150930003-006 | ND |
| 2015-09-28 | 150930003-008 | ND |