Cobalt
Naval Base Kitsap At Bremerton
NOTE: Naval Base Kitsap At Bremerton purchases water from City of Bremerton which is required to test for cobalt. Sample information shown below was taken by City of Bremerton.
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 8 | 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
NOTE: Naval Base Kitsap At Bremerton purchases water from City of Bremerton which is required to test for cobalt. Sample information shown below was taken by City of Bremerton.
| Date | Lab ID | Result |
|---|---|---|
| 2013-09-04 | WA97-13-16667-37741 | ND |
| 2013-09-04 | WA97-SE1-13-16667-37744 | ND |
| 2013-09-04 | WA97-SE1-13-16667-37745 | ND |
| 2013-09-04 | WA97-SE1-13-16667-37746 | ND |
| 2013-09-04 | WA97-SE1-13-16667-37743 | ND |
| 2013-09-04 | WA97-13-16667-37739 | ND |
| 2013-12-04 | WA97-SE2-13-22910-52473 | ND |
| 2013-12-04 | WA97-SE2-13-22910-52472 | ND |
| 2014-03-04 | WA97-SE3-14-03841-9585 | ND |
| 2014-03-04 | WA97-SE3-14-03841-9584 | ND |
| 2014-03-04 | WA97-SE2-14-03841-9587 | ND |
| 2014-03-04 | WA97-SE2-14-03841-9588 | ND |
| 2014-03-04 | WA97-SE3-14-03841-9586 | ND |
| 2014-03-04 | WA97-SE3-14-03841-9583 | ND |
| 2014-06-03 | WA97-SE4-14-10137-24378 | ND |
| 2014-06-03 | WA97-SE1-14-10137-24377 | ND |