RIVER GAUGE · DIFFICULT RUN
Difficult Run at Browns Mill Road / Wolf Trap
Fairfax County, Virginia
Water level193.74 ft
Flow—
Last readingSep 16, 2026, 12:05 PM UTC (last recorded)
Action194.3 ft
Minor flood195 ft
The past week
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What floods at each level
- 195 ft
Six inches of water covers the road at its lowest point.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jul 12, 2025 | 196.37 ft | — |
| Aug 10, 2022 | 196.24 ft | — |
| May 7, 2022 | 196.09 ft | — |
More on Difficult Run
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