Potomac River Guide Home

Regional Interactive Maps

Thematic Maps

Search Potomac Sites

Potomac River at Hancock MD

USGS Streamflow Monitor

Federal and state agencies maintain river level monitors throughout the Potomac River Basin. The U.S.Geological Survey compiles real-time information from river monitors, in cooperation with the U.S. Army Corps of Engineers.

Current stream conditions are shown in the graph below:

The National Oceanic and Atmospheric Administration (NOAA) has an on-line river forecast service summarized below.

For real-time data on this site, select this link.

Photo courtesy U.S. Geological Survey

Nearby Potomac River Stream Monitors
Upstream
Downstream
To view a map of Potomac River Monitors, select this link.

Click here for larger map and nearby sites.
Contact Information
U.S. Geological Survey
5522 Research Park Drive
Baltimore MD 21228
443-498-5500
Website