Rock Creek at Sherrill Drive Washington, DC
USGS Site No: 01648000 • Rock Creek • District of Columbia, DC
Rock Creek at Sherrill Drive Washington, DC on the Rock Creek is currently at 82 cfs (High — 78th percentile for this date) . Gage height: 0.00 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 29 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 | 10 | |
| 25th | Low threshold | 16 | |
| 50th (Median) | Normal (median) | 24 | |
| 75th | High threshold | 53 | |
| 95th | Very High threshold | 275 | Today: 82 cfs |
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) |
|---|---|---|
| Mar 18, 2026 | 138 | — |
| Mar 17, 2026 | 330 | — |
| Mar 16, 2026 | 388 | — |
| Mar 15, 2026 | 33 | — |
| Mar 14, 2026 | 39 | — |
| Mar 13, 2026 | 61 | — |
| Mar 12, 2026 | 118 | — |
| Mar 11, 2026 | 25 | — |
| Mar 10, 2026 | 27 | — |
| Mar 9, 2026 | 30 | — |
| Mar 8, 2026 | 33 | — |
| Mar 7, 2026 | 38 | — |
| Mar 6, 2026 | 76 | — |
| Mar 5, 2026 | 45 | — |
| Mar 4, 2026 | 88 | — |
| Mar 3, 2026 | 47 | — |
| Mar 2, 2026 | 31 | — |
| Mar 1, 2026 | 33 | — |
| Feb 28, 2026 | 37 | — |
| Feb 27, 2026 | 42 | — |
| Feb 26, 2026 | 51 | — |
| Feb 25, 2026 | 58 | — |
| Feb 24, 2026 | 85 | — |
| Feb 23, 2026 | 163 | — |
| Feb 21, 2026 | 94 | — |
| Feb 20, 2026 | 302 | — |
| Feb 19, 2026 | 63 | — |
| Feb 18, 2026 | 58 | — |
| Feb 17, 2026 | 68 | — |
| Feb 16, 2026 | 160 | — |
Station Information
- USGS Site No
- 01648000
- State
- DC
- County
- District of Columbia
- Coordinates
- 38.9725, -77.0400
- Drainage Area
- 62 mi²
- Datum (ft)
- 148.2
- HUC Code
- 020700100102
Flood Stage Thresholds
- Action Stage
- 6.0 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 12.0 ft
Currently 7.00 ft below flood stage.
Recent Extremes
- Max discharge
-
640 cfsJul 19, 2025
- Min discharge
-
6 cfsOct 25, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Fourmile Run at Alexandria, VANormal9.3 mi · 4 cfs
-
Patapsco River Near Catonsville, MDNormal24.3 mi · 123 cfs
-
Patapsco River Near Elkridge, MDNormal24.5 mi · 132 cfs
-
East Branch Herbert Run at Arbutus, MDNormal26.3 mi · 1 cfs
-
Patapsco River at Hollofield, MDNormal26.8 mi · 92 cfs