Vanadium
Issaquah Water System
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.
16
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 | 0.348 ppb | 8 | 7 | ND - 0.620 ppb |
| 2014 | 0.288 ppb | 8 | 7 | ND - 0.400 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 | Lab ID | Result |
|---|---|---|
| 2013-07-22 | WA97-SE1-13-1307 | ND |
| 2013-07-22 | WA97-SE1-13-1307 | 0.350 ppb |
| 2013-07-22 | WA97-SE1-13-1307 | 0.520 ppb |
| 2013-07-22 | WA97-SE1-13-1309 | 0.350 ppb |
| 2013-07-22 | WA97-SE1-13-1309 | 0.620 ppb |
| 2013-07-22 | WA97-SE1-13-1307 | 0.410 ppb |
| 2013-07-22 | WA97-SE1-1301307 | 0.260 ppb |
| 2013-07-22 | WA97-SE1-13-1307 | 0.270 ppb |
| 2014-01-08 | WA97-SE2-14-0049 | ND |
| 2014-01-08 | WA97-SE2-14-0049 | 0.400 ppb |
| 2014-01-08 | WA97-SE2-14-0049 | 0.370 ppb |
| 2014-01-08 | WA97-SE2-14-0049 | 0.380 ppb |
| 2014-01-08 | WA97-SE2-14-0049 | 0.330 ppb |
| 2014-01-08 | WA97-SE2-14-0049 | 0.270 ppb |
| 2014-01-08 | WA97-SE2-14-0049 | 0.250 ppb |
| 2014-01-08 | WA97-SE2-14-0049 | 0.300 ppb |