Cobalt
West Sound Utility District #1
Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.
36
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 | 18 | 0 | ND |
| 2015 | ND | 18 | 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 |
|---|---|---|
| 2014-09-22 | 201409240534AM | ND |
| 2014-09-22 | 201409240416AM | ND |
| 2014-09-22 | 201409240418AM | ND |
| 2014-09-22 | 201409240412AM | ND |
| 2014-09-22 | 201409240477AM | ND |
| 2014-09-22 | 201409240400AM | ND |
| 2014-09-23 | 201409250525AM | ND |
| 2014-09-23 | 201409250515AM | ND |
| 2014-09-23 | 201409250596AM | ND |
| 2014-09-23 | 201409250638AM | ND |
| 2014-09-24 | 201409260328AM | ND |
| 2014-09-24 | 201409260313AM | ND |
| 2014-09-24 | 201409260273AM | ND |
| 2014-09-24 | 201409260302AM | ND |
| 2014-09-24 | 201409260271AM | ND |
| 2014-09-24 | 201409260268AM | ND |
| 2014-09-24 | 201409260275AM | ND |
| 2014-09-24 | 201409260300AM | ND |
| 2015-03-16 | 201503180471AM | ND |
| 2015-03-16 | 201503180741AM | ND |
| 2015-03-16 | 201503180569AM | ND |
| 2015-03-16 | 201503180707AM | ND |
| 2015-03-16 | 201503180807AM | ND |
| 2015-03-16 | 201503180434AM | ND |
| 2015-03-16 | 201503180809AM | ND |
| 2015-03-16 | 201503180580AM | ND |
| 2015-03-17 | 201503190512AM | ND |
| 2015-03-17 | 201503190566AM | ND |
| 2015-03-17 | 201503190483AM | ND |
| 2015-03-17 | 201503190660AM | ND |
| 2015-03-17 | 201503190658AM | ND |
| 2015-03-17 | 201503190607AM | ND |
| 2015-03-18 | 201503200142AM | ND |
| 2015-03-18 | 201503200254AM | ND |
| 2015-03-18 | 201503200243AM | ND |
| 2015-03-18 | 201503200132AM | ND |