Rivers in Maryland
Potomac River at Edwards Ferry
Below flood stage
4.23ftStage
Observed Tue, Sep 22, 6:45 PM EDT
- Flood stage
- 15.00 ft
- Forecast crest
- 4.50 ftWed, Sep 23, 2:00 AM EDT
- Record crest
- 22.45 ft2018
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 24.00 ft |
| Moderate flood | 17.00 ft |
| Minor flood | 15.00 ft |
| Action | 12.25 ft |
- 28.00 ftTchiffely Mill Road begins to flood due to backwater effects. Most of the C&O Canal towpath is flooded.
- 26.00 ftWater covers the lock at Edwards Ferry. The access road to Violettes Lock is flooded.
- 24.00 ftWater reaches the first floor ceiling at Whites Ferry store. Significant portions of the C&O Canal towpath are flooded. Backwater flooding is affecting homes on the Loudoun County side of the river near Broad Run in Sterling.
- 20.00 ftThe basements of the Edwards Ferry Lockhouse and Rileys Lockhouse are flooded. Backwater flooding may affect homes on the Loudoun County side of the river near Broad Run in Sterling.
- 18.50 ftThe parking lot at Edwards Ferry is completely covered by water. The parking lot at Seneca is partially flooded.
- 17.00 ftFloodwaters begin to enter the store at Whites Ferry.
- 15.00 ftWater reaches the boat ramp and lower parking area at Edwards Ferry, and begins to inundate areas near Whites Ferry.
- 14.70 ftThe Chisel Branch Hiker/Biker Campsite near the C&O Canal trail starts flooding.
- 12.25 ftWater reaches the Whites Ferry area. Ferry service may be suspended.
Crest history
21 crests on NOAA’s list since 2012.
| # | Date | Stage |
|---|---|---|
| 1 | June 5, 2018 | 22.45 ft |
| 2 | September 29, 2018 | 21.80 ft |
| 3 | September 29, 2018 | 21.57 ft |
| 4 | May 15, 2025 | 21.25 ft |
| 5 | May 17, 2014 | 21.09 ft |
| 6 | December 17, 2018 | 20.98 ft |
| 7 | September 11, 2018 | 20.31 ft |
| 8 | October 31, 2012 | 19.77 ft |
| 9 | May 8, 2022 | 18.45 ft |
| 10 | May 20, 2018 | 17.87 ft |
| 11 | February 5, 2016 | 17.63 ft |
| 12 | March 2, 2021 | 16.91 ft |
| 13 | February 1, 2013 | 16.63 ft |
| 14 | February 1, 2013 | 16.63 ft |
| 15 | December 23, 2018 | 16.08 ft |
| 16 | May 10, 2013 | 16.04 ft |
| 17 | May 2, 2020 | 15.90 ft |
| 18 | September 27, 2018 | 15.38 ft |
| 19 | June 24, 2018 | 15.20 ft |
| 20 | January 11, 2024 | 15.17 ft |
| 21 | April 18, 2018 | 15.13 ft |
Most recent crests
- May 15, 2025: 21.25 ft
- January 11, 2024: 15.17 ft
- May 8, 2022: 18.45 ft
- March 2, 2021: 16.91 ft
- May 2, 2020: 15.90 ft
- December 23, 2018: 16.08 ft
- December 17, 2018: 20.98 ft
- September 29, 2018: 21.80 ft
- September 29, 2018: 21.57 ft
- September 27, 2018: 15.38 ft
Nearby
Upstream, downstream and the gauges around this one.
- UpstreamPotomac River at Point of Rocks
- DownstreamPotomac River at Washington DC (Little Falls)
- Broad Run at Sterling
- Limestone Branch at Leesburg
- Seneca Creek at Dawsonville
- Goose Creek at Leesburg
- South Fork Catoctin Creek at Waterford
- Unnamed Tributary at Dulles Station near Herndon
- Piney Run at Reston (Northern Sector Pond 1)
- North Fork Catoctin Creek at Waterford
What this means
Forecasts by the Middle Atlantic River Forecast Center. Forecasts are issued routinely year-round. Stage may be affected by ice.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.