Monitoring Data & Maps

Monitoring Map and Data Portal

Click on individual mapped sites for a link to obtain monitoring data through the data portal.

To search by site listing, go directly to the Water Data Query Portal.

Select one or more testing parameters and a range of sampling dates.

  • Active Sites
  • Inactive Sites
  • USGS Stream Gages
  • Entire Watershed Outline
  • Selected Sub-watersheds
  • River Mile Markers
  • Virginia DEQ Impairments

NOTE: There is a limit of about 100 markers viewable in a map window — you may need to zoom in to see the marker or feature of interest to you.
Tip: Double-click or use your scroll wheel to zoom. Click and drag to pan around the map.
For a listing of sites and to toggle on/off individual elements, view in Google Maps

Copyright © 2013 Friends of the Shenandoah River