Vanadium
King County Water District #125
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 |
|---|---|---|---|---|
| 2014 | 0.785 ppb | 2 | 2 | 0.740 ppb - 0.830 ppb |
| 2015 | 0.728 ppb | 6 | 6 | 0.590 ppb - 0.970 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: 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 |
|---|---|---|
| 2014-11-17 | 201411180099AM | 0.830 ppb |
| 2014-11-17 | 201411180245AM | 0.740 ppb |
| 2015-02-03 | 201502040285AM | 0.740 ppb |
| 2015-02-03 | 201502040564AM | 0.720 ppb |
| 2015-05-11 | 201505120220AM | 0.590 ppb |
| 2015-05-11 | 201505120362AM | 0.640 ppb |
| 2015-08-03 | 201508040416AM | 0.970 ppb |
| 2015-08-12 | 201508130868AM | 0.710 ppb |