Vanadium
City of Mercer Island
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 | 0.495 ppb | 8 | 8 | 0.330 ppb - 0.650 ppb |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | 0.483 ppb | 16 | 15 | ND - 0.760 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 |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2013-03-19 | A3C0196-04A | 0.380 ppb |
| 2013-03-19 | A3C0196-01A | 0.510 ppb |
| 2013-06-11 | A3E1229-04A | 0.500 ppb |
| 2013-06-11 | A3E1229-01A | 0.650 ppb |
| 2013-09-17 | A3H2383-04A | 0.330 ppb |
| 2013-09-17 | A3H2383-01A | 0.330 ppb |
| 2013-12-10 | A3K1044-01A | 0.640 ppb |
| 2013-12-10 | A3K1044-04A | 0.620 ppb |