Cobalt
City of Pineville Water System
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
35
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 | 0.0515 ppb | 33 | 1 | ND - 1.70 ppb |
| 2015 | 2.00 ppb | 2 | 2 | 1.40 ppb - 2.60 ppb |
| 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 |
|---|---|---|
| 2014-02-20 | 35127324025AM | ND |
| 2014-02-20 | 35127324005AM | ND |
| 2014-02-20 | 35127324031AM | ND |
| 2014-02-20 | 35127324011AM | 1.70 ppb |
| 2014-02-20 | 35127324007AM | ND |
| 2014-02-20 | 35127324001AM | ND |
| 2014-02-20 | 35127324003AM | ND |
| 2014-02-20 | 35127324033AM | ND |
| 2014-02-20 | 35127324035AM | ND |
| 2014-02-20 | 35127324019AM | ND |
| 2014-02-20 | 35127324015AM | ND |
| 2014-02-20 | 35127324013AM | ND |
| 2014-02-20 | 35127324021AM | ND |
| 2014-02-20 | 35127324017AM | ND |
| 2014-02-20 | 35127324023AM | ND |
| 2014-02-20 | 35127324029AM | ND |
| 2014-02-20 | 35127324009AM | ND |
| 2014-02-20 | 35127324027AM | ND |
| 2014-08-05 | 35149111003AM | ND |
| 2014-08-05 | 35149111005AM | ND |
| 2014-08-05 | 35149111025AM | ND |
| 2014-08-05 | 35149111019AM | ND |
| 2014-08-05 | 35149111031AM | ND |
| 2014-08-05 | 35149111029AM | ND |
| 2014-08-05 | 35149111027AM | ND |
| 2014-08-05 | 35149111021AM | ND |
| 2014-08-05 | 35149111023AM | ND |
| 2014-08-05 | 35149111001AM | ND |
| 2014-08-05 | 35149111017AM | ND |
| 2014-08-05 | 35149111015AM | ND |
| 2014-08-05 | 35149111007AM | ND |
| 2014-08-05 | 35149111009AM | ND |
| 2014-08-11 | 35149865001AM | ND |
| 2015-01-20 | 35172147019AM | 1.40 ppb |
| 2015-01-20 | 35172147011AM | 2.60 ppb |