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4 listed gauges

RIVER OVERVIEW · FIND THE RIGHT GAUGE

Potomac River Levels & Streamflow

Compare 4 listed monitoring locations for Potomac River in Maryland. Choose the station nearest your area of interest, then check its readings and recent changes.

4 listed gauges1 state4 county areas

Current observations

Loading the latest available readings… Gauge locations and source links are available below.

LOCATION DIRECTORY

Choose the location you need.

Listed by state and station name, not upstream-to-downstream order. County, coordinates and measurement types come from our USGS station catalog; availability can change.

PUT THE READINGS IN CONTEXT

Use the right station, not just the river name.

Gauge height uses a station-specific reference and is not the river’s depth everywhere. Local rainfall, tributaries, tides and dam operations can affect readings differently. Open the individual gauge for its charts and available historical context.

These observations are not a flood warning or a recreation safety rating. Check official warnings, closures and local guidance before acting.

Gauge height vs. river depth →Understanding streamflow (CFS) →Understanding River Pulse →Official NWS water forecasts ↗

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Maryland gauge directory →Compare U.S. river conditions →My saved gauges →
Potomac River Levels & Streamflow | Compare USGS Gauges