Cobalt
Meridian Water Department
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
72
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 | 0.0239 ppb | 71 | 1 | ND - 1.70 ppb |
| 2015 | ND | 1 | 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 |
|---|---|---|
| 2014-03-03 | 1403053-001A | ND |
| 2014-03-03 | 1403049-001A | ND |
| 2014-03-03 | 1403042-001A | ND |
| 2014-03-03 | 1403043-001A | ND |
| 2014-03-03 | 1403040-001A | ND |
| 2014-03-03 | 1403041-001A | ND |
| 2014-03-03 | 1403054-001A | ND |
| 2014-03-03 | 1403055-001A | ND |
| 2014-03-03 | 1403044-001A | ND |
| 2014-03-03 | 1403052-001A | ND |
| 2014-03-03 | 1403056-001A | ND |
| 2014-03-03 | 1403050-001A | ND |
| 2014-03-03 | 1403051-001A | ND |
| 2014-03-03 | 1403047-001A | ND |
| 2014-03-03 | 1403048-001A | ND |
| 2014-03-03 | 1403045-001A | ND |
| 2014-03-04 | 1403136-001A | ND |
| 2014-03-04 | 1403131-001A | ND |
| 2014-03-04 | 1403046-001A | ND |
| 2014-03-04 | 1403135-001A | ND |
| 2014-03-04 | 1403132-001A | ND |
| 2014-03-04 | 1403133-001A | ND |
| 2014-03-04 | 1403154-001A | ND |
| 2014-03-04 | 1403137-001A | ND |
| 2014-03-04 | 1403134-001A | ND |
| 2014-03-05 | 1403156-001A | ND |
| 2014-03-05 | 1403160-001A | ND |
| 2014-03-05 | 1403157-001A | ND |
| 2014-03-05 | 1403158-001A | ND |
| 2014-03-05 | 1403159-001A | ND |
| 2014-03-05 | 1403155-001A | ND |
| 2014-03-06 | 1403213-001A | ND |
| 2014-03-06 | 1403214-001A | ND |
| 2014-03-06 | 1403211-001A | ND |
| 2014-03-06 | 1403212-001A | ND |
| 2014-04-08 | 1404324-001A | ND |
| 2014-09-02 | 1409091-001A | ND |
| 2014-09-02 | 1409081-001A | ND |
| 2014-09-02 | 1409072-001A | ND |
| 2014-09-02 | 1409075-001A | ND |
| 2014-09-02 | 1409078-001A | ND |
| 2014-09-02 | 1409080-001A | ND |
| 2014-09-02 | 1409082-001A | ND |
| 2014-09-02 | 1409094-001A | ND |
| 2014-09-02 | 1409084-001A | ND |
| 2014-09-02 | 1409083-001A | ND |
| 2014-09-02 | 1409085-001A | ND |
| 2014-09-02 | 1409086-001A | ND |
| 2014-09-02 | 1409095-001A | ND |
| 2014-09-02 | 1409073-001A | ND |
| 2014-09-02 | 1409074-001A | ND |
| 2014-09-02 | 1409087-001A | ND |
| 2014-09-03 | 1409119-001A | ND |
| 2014-09-03 | 1409118-001A | ND |
| 2014-09-03 | 1409114-001A | ND |
| 2014-09-03 | 1409116-001A | ND |
| 2014-09-04 | 1409163-001A | ND |
| 2014-09-04 | 1409164-001A | ND |
| 2014-09-08 | 1409269-001A | ND |
| 2014-09-08 | 1409265-001A | ND |
| 2014-09-08 | 1409268-001A | ND |
| 2014-09-08 | 1409266-001A | ND |
| 2014-09-09 | 1409315-001A | ND |
| 2014-09-09 | 1409317-001A | ND |
| 2014-09-09 | 1409318-001A | ND |
| 2014-09-09 | 1409316-001A | 1.70 ppb |
| 2014-09-09 | 1409319-001A | ND |
| 2014-09-29 | 1409B71-001A | ND |
| 2014-10-15 | 1410574-001A | ND |
| 2014-10-15 | 1410575-001A | ND |
| 2014-10-15 | 1410577-001A | ND |
| 2015-01-15 | 1501482-001A | ND |