Cobalt
Woodbury City Water Department
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
14
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 |
|---|---|---|---|---|
| 2013 | ND | 12 | 0 | ND |
| 2014 | ND | 2 | 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 |
|---|---|---|
| 2013-05-13 | 719522-8989 | ND |
| 2013-05-13 | 719524-8989 | ND |
| 2013-05-13 | 719532-8989 | ND |
| 2013-05-13 | 719530-8989 | ND |
| 2013-05-13 | 719534-8989 | ND |
| 2013-08-07 | 736148-9496 | ND |
| 2013-08-07 | 736146-9496 | ND |
| 2013-11-14 | 759180-10367 | ND |
| 2013-11-14 | 759178-10367 | ND |
| 2013-11-14 | 759222-10367 | ND |
| 2013-11-14 | 759226-10367 | ND |
| 2013-11-14 | 759224-10367 | ND |
| 2014-02-11 | 770212-10752 | ND |
| 2014-02-11 | 770214-10752 | ND |