Cobalt
Erie City Water Authority
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 | 2 | 0 | ND |
| 2015 | ND | 10 | 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 |
|---|---|---|
| 2014-12-02 | 201412030339AM | ND |
| 2014-12-02 | 201412030310AM | ND |
| 2015-02-24 | 201502160049AM | ND |
| 2015-03-10 | 201503110719AM | ND |
| 2015-03-10 | 201503110688AM | ND |
| 2015-05-12 | 201504060025AM | ND |
| 2015-06-23 | 201506240535AM | ND |
| 2015-06-23 | 201506240453AM | ND |
| 2015-08-18 | 201507070009AM | ND |
| 2015-09-16 | 201509170459AM | ND |
| 2015-09-16 | 201509170809AM | ND |
| 2015-11-18 | 201510070002AM | ND |