Rivers in Virginia
Difficult Run near Great Falls
Below flood stage
2.44ftStage
Observed Sun, Sep 20, 3:15 PM EDT
- Flood stage
- 11.00 ft
- Record crest
- 21.40 ft1972
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 20.00 ft |
| Moderate flood | 13.00 ft |
| Minor flood | 11.00 ft |
| Action | 9.00 ft |
- 20.00 ftWater approaches structures near the stream.
- 13.00 ftWater reaches the intersection of Leigh Mill Road and Kelso Road.
- 11.00 ftLeigh Mill Road floods near Difficult Run.
Crest history
64 crests on NOAA’s list since 1936.
| # | Date | Stage |
|---|---|---|
| 1 | June 22, 1972 | 21.40 ft |
| 2 | September 8, 2011 | 17.54 ft |
| 3 | September 6, 2008 | 16.62 ft |
| 4 | June 26, 2006 | 15.01 ft |
| 5 | September 26, 1975 | 13.82 ft |
| 6 | May 6, 1989 | 13.31 ft |
| 7 | August 25, 1967 | 13.18 ft |
| 8 | July 22, 2018 | 12.99 ft |
| 9 | July 8, 2019 | 12.95 ft |
| 10 | April 30, 2014 | 12.57 ft |
| 11 | May 12, 2008 | 12.38 ft |
| 12 | May 16, 2014 | 12.23 ft |
| 13 | December 11, 2003 | 12.20 ft |
| 14 | November 28, 1993 | 12.04 ft |
| 15 | August 11, 2001 | 12.03 ft |
| 16 | May 19, 1988 | 11.75 ft |
| 17 | September 23, 2003 | 11.71 ft |
| 18 | November 16, 2006 | 11.61 ft |
| 19 | September 6, 1979 | 11.54 ft |
| 20 | January 19, 1996 | 11.25 ft |
| 21 | September 6, 1996 | 11.15 ft |
| 22 | January 26, 1978 | 11.11 ft |
| 23 | August 1, 2018 | 11.08 ft |
| 24 | July 23, 1969 | 10.97 ft |
| 25 | July 21, 1956 | 10.96 ft |
Most recent crests
- September 1, 2021: 9.71 ft
- July 8, 2019: 12.95 ft
- August 1, 2018: 11.08 ft
- July 22, 2018: 12.99 ft
- May 16, 2014: 12.23 ft
- April 30, 2014: 12.57 ft
- October 30, 2012: 9.99 ft
- October 13, 2011: 9.15 ft
- September 8, 2011: 17.54 ft
- August 18, 2010: 9.94 ft
Nearby
Upstream, downstream and the gauges around this one.
- Rocky Run at Tysons Corner (Pulte/McLean Regional Pond)
- Old Courthouse Spring Branch at Carrington Regional Park
- Difficult Run at Browns Mill Road / Wolf Trap
- Colvin Run at Lake Fairfax near Reston
- Dead Run at McLean
- Piney Run at Reston (Northern Sector Pond 1)
- Potomac River at Washington DC (Little Falls)
- Holmes Run at Fairview Lake
What this means
Forecasts by the Middle Atlantic River Forecast Center. Forecasts are not available. Only observed stages are available for this point. 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.