Cobalt
Brattleboro Water Department
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
12
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 | 6 | 0 | ND |
| 2015 | ND | 6 | 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 |
|---|---|---|
| 2014-09-17 | 14090780-04 | ND |
| 2014-09-17 | 14090780-03 | ND |
| 2014-09-17 | 14090780-01 | ND |
| 2014-09-17 | 14090780-02 | ND |
| 2014-12-16 | 14120477-04 | ND |
| 2014-12-16 | 14120477 | ND |
| 2015-03-17 | 15030486 | ND |
| 2015-03-17 | 15030485 | ND |
| 2015-03-17 | 15030483-01 | ND |
| 2015-03-17 | 15030484-01 | ND |
| 2015-06-24 | 5062983-01 | ND |
| 2015-06-24 | 5062983-02 | ND |