Vanadium
Alderwood Water District
Vanadium is a metal used in steels and other alloys. People are commonly exposed to vanadium in water and food. Excessive exposure can be toxic during pregnancy and childhood.
8
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 | 0.0750 ppb | 8 | 3 | ND - 0.200 ppb |
| 2014 | 0.0850 ppb | 8 | 3 | ND - 0.280 ppb |
| 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: 21 ppb
The EWG Health Guideline of 21 ppb for vanadium 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 |
|---|---|---|
| 2013-02-11 | WA97-SE1-13-02416-5573 | 0.200 ppb |
| 2013-02-11 | WA97-SE1-13-02418-5575 | ND |
| 2013-05-08 | WA97-SE2-13-07881-18269 | ND |
| 2013-05-08 | WA97-SE2-13-07884-18273 | ND |
| 2013-08-15 | WA97-SE3-13-15249-34739 | 0.200 ppb |
| 2013-08-15 | WA97-SE3-13-15249-34738 | 0.200 ppb |
| 2013-11-06 | WA97-SE4-13-21199-48215 | ND |
| 2013-11-06 | WA97-SE4-13-21199-48214 | ND |