Vanadium
Harris County MUD 53
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 | 0.539 ppb | 6 | 6 | 0.494 ppb - 0.580 ppb |
| 2015 | 0.827 ppb | 10 | 10 | 0.365 ppb - 1.57 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 |
|---|---|---|
| 2014-12-04 | Q1458430009 | 0.556 ppb |
| 2014-12-04 | Q1458430007 | 0.508 ppb |
| 2014-12-04 | Q1458430011 | 0.540 ppb |
| 2014-12-04 | Q1458430003 | 0.494 ppb |
| 2014-12-04 | Q1458430005 | 0.558 ppb |
| 2014-12-04 | Q1458430001 | 0.580 ppb |
| 2015-03-23 | Q1510563001 | 0.365 ppb |
| 2015-03-23 | Q1510563003 | 0.444 ppb |
| 2015-06-23 | Q1523422001 | 0.773 ppb |
| 2015-06-23 | Q1523422011 | 0.810 ppb |
| 2015-06-23 | Q1523422009 | 0.825 ppb |
| 2015-06-23 | Q1523422007 | 0.853 ppb |
| 2015-06-23 | Q1523422005 | 0.632 ppb |
| 2015-06-23 | Q1523422003 | 0.778 ppb |
| 2015-09-15 | Q1535675001 | 1.57 ppb |
| 2015-09-15 | Q1535675003 | 1.22 ppb |