Difficult Run near Great Falls, VA
Is Difficult Run near Great Falls, VA flooding right now?
Difficult Run near Great Falls, VA measured 2.70 ft on 2026-11-11 14:15:00 UTC. That observation was 8.3 ft below its 11 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
2.70 ft
Streamflow
15 cfs
Minor flooding here begins at 11 ft, with major flooding at 20 ft. The highest crest on record was 21.4 ft on Thu, Jun 22, 1972.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 9 ft | 6.3 ft below |
| Minor flood | 11 ft | 8.3 ft below |
| Moderate flood | 13 ft | 10.3 ft below |
| Major flood | 20 ft | 17.3 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 21.4 ft | 1972-06-22 |
| 17.54 ft | 2011-09-08 |
| 16.62 ft | 2008-09-06 |
| 15.01 ft | 2006-06-26 |
| 13.82 ft | 1975-09-26 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Dead Run at Whann Avenue near Mclean, VA | 3.9 mi | Fairfax County |
| The Glade near Howland Drive at Reston, VA | 5.7 mi | Fairfax County |
| Snakeden Branch above Lake Audubon at Reston, VA | 6.0 mi | Fairfax County |
| Potomac River near Wash, Dc Little Falls Pump Sta | 6.6 mi | Montgomery County |
| S F Little Difficult Run above Mouth near Vienna, VA | 6.8 mi | Fairfax County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.