Cobalt
Meriden Water Division
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
44
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 | 8 | 0 | ND |
| 2014 | ND | 36 | 0 | ND |
| 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 |
|---|---|---|
| 2013-01-08 | 2762402 | ND |
| 2013-01-08 | 2762392 | ND |
| 2013-04-09 | 2806655 | ND |
| 2013-04-09 | 2807814 | ND |
| 2013-07-09 | 2854607 | ND |
| 2013-07-09 | 2854692 | ND |
| 2013-10-08 | 2910001 | ND |
| 2013-10-08 | 2909983 | ND |
| 2014-02-11 | 2971674 | ND |
| 2014-02-11 | 2971711 | ND |
| 2014-02-11 | 2971678 | ND |
| 2014-02-11 | 2971756 | ND |
| 2014-02-11 | 2971749 | ND |
| 2014-03-11 | 2990053 | ND |
| 2014-03-11 | 2990271 | ND |
| 2014-03-11 | 2990187 | ND |
| 2014-03-11 | 2990080 | ND |
| 2014-03-11 | 2990234 | ND |
| 2014-03-12 | 2990251 | ND |
| 2014-04-24 | 3014835 | ND |
| 2014-04-24 | 3014833 | ND |
| 2014-05-14 | 3026121 | ND |
| 2014-05-14 | 3026055 | ND |
| 2014-05-14 | 3026113 | ND |
| 2014-05-14 | 3026086 | ND |
| 2014-05-14 | 3026044 | ND |
| 2014-08-12 | 3081388 | ND |
| 2014-08-14 | 3083483 | ND |
| 2014-08-14 | 3083503 | ND |
| 2014-08-14 | 3083471 | ND |
| 2014-08-14 | 3083478 | ND |
| 2014-09-09 | 3100349 | ND |
| 2014-09-09 | 3100418 | ND |
| 2014-09-09 | 3100403 | ND |
| 2014-09-09 | 3100374 | ND |
| 2014-09-09 | 3100407 | ND |
| 2014-09-09 | 3100338 | ND |
| 2014-09-09 | 3100391 | ND |
| 2014-09-09 | 3100353 | ND |
| 2014-11-12 | 3137945 | ND |
| 2014-11-12 | 3137930 | ND |
| 2014-11-12 | 3137941 | ND |
| 2014-12-16 | 3157197 | ND |
| 2014-12-16 | 3157202 | ND |