Cobalt
Othello Water Department
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 |
|---|---|---|---|---|
| 2014 | ND | 16 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-01-21 | 103795P | ND |
| 2014-01-21 | 103796P | ND |
| 2014-01-21 | 103798P | ND |
| 2014-01-21 | 103800P | ND |
| 2014-01-21 | 103801P | ND |
| 2014-02-18 | 105821R | ND |
| 2014-02-18 | 105822R | ND |
| 2014-02-18 | 305823R | ND |
| 2014-07-14 | 107863P | ND |
| 2014-07-14 | 107864P | ND |
| 2014-07-14 | 107865P | ND |
| 2014-07-14 | 107866P | ND |
| 2014-07-14 | 107867P | ND |
| 2014-07-14 | 107868P | ND |
| 2014-07-14 | 107869P | ND |
| 2014-07-14 | 307969P | ND |