Vanadium
Northwest Utilities
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.
24
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 | 0.210 ppb | 6 | 4 | ND - 0.340 ppb |
| 2014 | 0.346 ppb | 18 | 15 | ND - 0.550 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 |
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 | Result |
|---|---|
| 2013-10-23 | ND |
| 2013-10-23 | 0.320 ppb |
| 2013-10-23 | ND |
| 2013-10-23 | 0.280 ppb |
| 2013-10-23 | 0.320 ppb |
| 2013-10-23 | 0.340 ppb |
| 2014-01-14 | 0.470 ppb |
| 2014-01-14 | 0.420 ppb |
| 2014-01-14 | 0.520 ppb |
| 2014-01-14 | ND |
| 2014-01-14 | 0.500 ppb |
| 2014-01-14 | ND |
| 2014-04-29 | 0.500 ppb |
| 2014-04-29 | ND |
| 2014-04-29 | 0.350 ppb |
| 2014-04-29 | 0.410 ppb |
| 2014-04-29 | 0.230 ppb |
| 2014-04-30 | 0.550 ppb |
| 2014-07-14 | 0.420 ppb |
| 2014-07-14 | 0.500 ppb |
| 2014-07-14 | 0.470 ppb |
| 2014-07-14 | 0.390 ppb |
| 2014-07-14 | 0.250 ppb |
| 2014-08-20 | 0.240 ppb |