Broad Run Near Leesburg, VA
USGS Site No: 01644280 • Broad Run • Loudoun County, VA
Broad Run Near Leesburg, VA on the Broad Run is currently at 64 cfs (Normal — 54th percentile for this date) . Gage height: 2.11 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 15 | |
| 25th | Low threshold | 20 | |
| 50th (Median) | Normal (median) | 38 | |
| 75th | High threshold | 208 | Today: 64 cfs |
| 95th | Very High threshold | 1,280 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 94 | — |
| May 27, 2026 | 121 | — |
| May 26, 2026 | 174 | — |
| May 25, 2026 | 351 | — |
| May 24, 2026 | 992 | — |
| May 23, 2026 | 494 | — |
| May 22, 2026 | 169 | — |
| May 21, 2026 | 206 | — |
| May 20, 2026 | 31 | — |
| May 19, 2026 | 19 | — |
| May 18, 2026 | 21 | — |
| May 17, 2026 | 23 | — |
| May 16, 2026 | 27 | — |
| May 15, 2026 | 38 | — |
| Apr 21, 2026 | 28 | — |
| Apr 20, 2026 | 35 | — |
| Apr 19, 2026 | 30 | — |
| Apr 18, 2026 | 26 | — |
| Apr 17, 2026 | 27 | — |
| Apr 16, 2026 | 28 | — |
| Apr 15, 2026 | 31 | — |
| Apr 14, 2026 | 32 | — |
| Apr 13, 2026 | 33 | — |
| Apr 12, 2026 | 36 | — |
| Apr 11, 2026 | 39 | — |
| Apr 10, 2026 | 43 | — |
| Apr 9, 2026 | 47 | — |
| Apr 8, 2026 | 53 | — |
| Apr 7, 2026 | 64 | — |
| Apr 6, 2026 | 113 | — |
Station Information
- USGS Site No
- 01644280
- State
- VA
- County
- Loudoun County
- Coordinates
- 39.0464, -77.4324
- Drainage Area
- 76 mi²
- Datum (ft)
- 194.2
- HUC Code
- 02070008
Flood Stage Thresholds
- Action Stage
- 10.0 ft
- Flood Stage
- 12.0 ft
- Moderate Flood
- 15.0 ft
- Major Flood
- 18.0 ft
Currently 9.89 ft below flood stage.
Recent Extremes
- Max discharge
-
1,520 cfsJun 16, 2025
- Min discharge
-
12 cfsSep 14, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Potomac River at Point Of Rocks, MDVery High16.8 mi · 34,600 cfs
-
Fourmile Run at Alexandria, VANormal23.3 mi · 4 cfs
-
Hawlings River Near Sandy Spring, MDNormal23.7 mi · 11 cfs
-
Patuxent River Near Unity, MDNormal24.1 mi · 24 cfs
-
Cattail Creek Near Glenwood, MDNormal25.0 mi · 17 cfs