Cobalt
Aquarion Water Company of Connecticut - Stamford
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
16
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 | 4 | 0 | ND |
| 2015 | ND | 12 | 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 |
|---|---|---|
| 2014-12-03 | 201412040548AM | ND |
| 2014-12-03 | 201412040533AM | ND |
| 2014-12-03 | 201412040318AM | ND |
| 2014-12-03 | 201412040252AM | ND |
| 2015-03-02 | 201503030264AM | ND |
| 2015-03-02 | 201503030685AM | ND |
| 2015-03-02 | 201503030626AM | ND |
| 2015-03-02 | 201503030430AM | ND |
| 2015-06-01 | 201506020356AM | ND |
| 2015-06-01 | 201506020595AM | ND |
| 2015-06-01 | 201506020338AM | ND |
| 2015-06-01 | 201506020352AM | ND |
| 2015-09-08 | 201509090336AM | ND |
| 2015-09-08 | 201509090316AM | ND |
| 2015-09-21 | 201509230161AM | ND |
| 2015-09-21 | 201509230166AM | ND |