This map shows USGS water Gauge locations in the MD, PA, DE areas. It is intended to be used by people fishing, rafting, kayaking, or otherwise out enjoying the water.
  • Click on a USGS site to see the site's name and to get more details.
  • Click on the Discharge to see a graph of the flow rate over the last few days.
  • Click on the Level Gauge tab to see a graph of the water level over the last few days.
  • Click and drag to move the map.

  • You can send me feedback or ideas at gewing - at - gewing . com


    MD Howard, Montgomery & Prince George's CO Trout Management Areas



    Data from the USGS at http://waterdata.usgs.gov/md/nwis