Gunpowder Falls Near Parkton, MD
USGS Site No: 01581920 • Baltimore County, MD
Gunpowder Falls Near Parkton, MD is currently at 27 cfs (Very Low — 9th percentile for this date) . Gage height: 1.44 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 | 29 | Today: 27 cfs |
| 25th | Low threshold | 34 | |
| 50th (Median) | Normal (median) | 59 | |
| 75th | High threshold | 118 | |
| 95th | Very High threshold | 333 |
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 | 29 | — |
| May 27, 2026 | 29 | — |
| May 26, 2026 | 29 | — |
| May 25, 2026 | 29 | — |
| May 24, 2026 | 32 | — |
| May 23, 2026 | 30 | — |
| May 22, 2026 | 29 | — |
| May 21, 2026 | 29 | — |
| May 20, 2026 | 28 | — |
| May 19, 2026 | 28 | — |
| May 18, 2026 | 28 | — |
| May 17, 2026 | 28 | — |
| May 16, 2026 | 28 | — |
| May 15, 2026 | 28 | — |
| Apr 21, 2026 | 29 | — |
| Apr 20, 2026 | 29 | — |
| Apr 19, 2026 | 29 | — |
| Apr 18, 2026 | 29 | — |
| Apr 17, 2026 | 29 | — |
| Apr 16, 2026 | 29 | — |
| Apr 15, 2026 | 30 | — |
| Apr 14, 2026 | 30 | — |
| Apr 13, 2026 | 30 | — |
| Apr 12, 2026 | 29 | — |
| Apr 11, 2026 | 30 | — |
| Apr 10, 2026 | 29 | — |
| Apr 9, 2026 | 29 | — |
| Apr 8, 2026 | 30 | — |
| Apr 7, 2026 | 30 | — |
| Apr 6, 2026 | 30 | — |
Station Information
- USGS Site No
- 01581920
- State
- MD
- County
- Baltimore County
- Coordinates
- 39.6191, -76.6904
- Drainage Area
- 82 mi²
- Datum (ft)
- 349.6
- HUC Code
- 020600030402
Flood Stage Thresholds
- Action Stage
- 8.0 ft
- Flood Stage
- 10.0 ft
- Moderate Flood
- 11.0 ft
- Major Flood
- 15.0 ft
Currently 8.56 ft below flood stage.
Recent Extremes
- Max discharge
-
180 cfsJul 10, 2025
- Min discharge
-
28 cfsMay 17, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Beetree Run at Bentley Springs, MDNormal3.8 mi · 9 cfs
-
Little Falls at Blue Mount, MDNormal3.9 mi · 45 cfs
-
Georges Run Near Beckleysville, MDNormal4.4 mi · 13 cfs
-
Grave Run Near Beckleysville, MDNormal5.4 mi · 6 cfs
-
Gunpowder Falls at Glencoe, MDNormal5.6 mi · 97 cfs