Vanadium
Caldwell County Water System-SE
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 |
|---|---|---|---|---|
| 2014 | 0.251 ppb | 4 | 4 | 0.215 ppb - 0.286 ppb |
| 2015 | 0.256 ppb | 12 | 9 | ND - 0.524 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 |
|---|---|---|
| 2014-12-17 | 836431-13090 | 0.244 ppb |
| 2014-12-17 | 836433-13090 | 0.286 ppb |
| 2014-12-17 | 836437-13090 | 0.215 ppb |
| 2014-12-17 | 836435-13090 | 0.257 ppb |
| 2015-03-23 | 849939-13714 | ND |
| 2015-03-23 | 849941-13714 | ND |
| 2015-03-23 | 849937-13714 | 0.201 ppb |
| 2015-03-23 | 849935-13714 | ND |
| 2015-06-16 | 865884-14355 | 0.295 ppb |
| 2015-06-16 | 865845-14355 | 0.305 ppb |
| 2015-06-16 | 865843-14355 | 0.305 ppb |
| 2015-06-16 | 865882-14355 | 0.327 ppb |
| 2015-09-15 | 883278-14953 | 0.282 ppb |
| 2015-09-15 | 883284-14953 | 0.506 ppb |
| 2015-09-15 | 883280-14953 | 0.323 ppb |
| 2015-09-15 | 883282-14953 | 0.524 ppb |