Cobalt
Bayou Liberty Water Association
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 |
|---|---|---|---|---|
| 2013 | ND | 12 | 0 | ND |
| 2014 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2013-04-15 | 3589922005AM | ND |
| 2013-04-15 | 3589922009AM | ND |
| 2013-04-15 | 3589922003AM | ND |
| 2013-04-15 | 3589922007AM | ND |
| 2013-04-15 | 3589922011AM | ND |
| 2013-04-24 | 3590925001AM | ND |
| 2013-10-23 | 35113304005AM | ND |
| 2013-10-23 | 35113304007AM | ND |
| 2013-10-23 | 35113304003AM | ND |
| 2013-10-23 | 35113304011AM | ND |
| 2013-12-02 | 35117862001AM | ND |
| 2013-12-02 | 35117862005AM | ND |