Gunpowder Falls at Hoffmanville, MD
USGS Site No: 01581810 • Baltimore County, MD
Gunpowder Falls at Hoffmanville, MD is currently at 17 cfs (Low — 22th percentile for this date) . Gage height: 1.25 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 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 | 14 | |
| 25th | Low threshold | 18 | Today: 17 cfs |
| 50th (Median) | Normal (median) | 24 | |
| 75th | High threshold | 41 | |
| 95th | Very High threshold | 103 |
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 | 21 | — |
| May 27, 2026 | 25 | — |
| May 26, 2026 | 27 | — |
| May 25, 2026 | 38 | — |
| May 24, 2026 | 89 | — |
| May 23, 2026 | 75 | — |
| May 22, 2026 | 24 | — |
| May 21, 2026 | 38 | — |
| May 20, 2026 | 10 | — |
| May 19, 2026 | 10 | — |
| May 18, 2026 | 11 | — |
| May 17, 2026 | 11 | — |
| May 16, 2026 | 12 | — |
| May 15, 2026 | 12 | — |
| Apr 21, 2026 | 16 | — |
| Apr 20, 2026 | 17 | — |
| Apr 19, 2026 | 20 | — |
| Apr 18, 2026 | 16 | — |
| Apr 17, 2026 | 17 | — |
| Apr 16, 2026 | 18 | — |
| Apr 15, 2026 | 24 | — |
| Apr 14, 2026 | 18 | — |
| Apr 13, 2026 | 18 | — |
| Apr 12, 2026 | 18 | — |
| Apr 11, 2026 | 19 | — |
| Apr 10, 2026 | 19 | — |
| Apr 9, 2026 | 20 | — |
| Apr 8, 2026 | 20 | — |
| Apr 7, 2026 | 22 | — |
| Apr 6, 2026 | 27 | — |
Station Information
- USGS Site No
- 01581810
- State
- MD
- County
- Baltimore County
- Coordinates
- 39.6898, -76.7815
- Drainage Area
- 27 mi²
- Datum (ft)
- 543.8
- HUC Code
- 020600030301
Flood Stage Thresholds
- Action Stage
- 5.0 ft
- Flood Stage
- 6.0 ft
- Moderate Flood
- 8.0 ft
- Major Flood
- 10.0 ft
Currently 4.75 ft below flood stage.
Recent Extremes
- Max discharge
-
376 cfsJul 9, 2025
- Min discharge
-
10 cfsMay 19, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Grave Run Near Beckleysville, MDNormal2.4 mi · 6 cfs
-
Georges Run Near Beckleysville, MDNormal4.5 mi · 13 cfs
-
Beetree Run at Bentley Springs, MDNormal5.8 mi · 9 cfs
-
Gunpowder Falls Near Parkton, MDVery Low6.9 mi · 27 cfs
-
Little Falls at Blue Mount, MDNormal10.4 mi · 45 cfs