Median Station Nutrient Results 2010 to 2020
Virginia Department of Environmental Quality
Updated Oct 17, 2026
About this dataset
This report analyzed all DEQ stations with Total Phosphorus (TP) and Total Nitrogen (TN) samples taken from 2010 to 2020. Median values and number of samples the statistic was based on (n) are presented in the table below.
Median results are categorized accordingly:
- Median TN < 1 mg/L is considered Low TN
- Median TN >= 1 mg/L & Median TN < 2 mg/L is considered Medium TN
- Median TN >= 2 mg/L is considered High TN
- Median TP < 0.05 mg/L is considered Low TP
- Median TP >= 0.05 mg/L & Median TP < 0.1 mg/L is considered Medium TP
- Median TP >= 0.1 mg/L is considered High TP
Data and resources (6)
- HTML
ArcGIS Hub Dataset
Modified Jul 17, 2026Map preview available
- ArcGIS
ArcGIS GeoService
Modified Jul 17, 2026Map preview available
- CSV
CSV
Modified Oct 17, 2026Table and Data API available
- ZIP
Shapefile
Modified Jul 17, 2026Map preview available
- GeoJSON
GeoJSON
Modified Jul 17, 2026Map preview available
- KML
KML
Modified Jul 17, 2026Map preview available