Little Falls at Blue Mount, MD
USGS Site No: 01582000 • Baltimore County, MD
Little Falls at Blue Mount, MD is currently at 45 cfs (Normal — 33th percentile for this date) . Gage height: 0.35 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 | 31 | |
| 25th | Low threshold | 40 | |
| 50th (Median) | Normal (median) | 57 | Today: 45 cfs |
| 75th | High threshold | 78 | |
| 95th | Very High threshold | 171 |
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 | 54 | — |
| May 27, 2026 | 62 | — |
| May 26, 2026 | 66 | — |
| May 25, 2026 | 86 | — |
| May 24, 2026 | 198 | — |
| May 23, 2026 | 100 | — |
| May 22, 2026 | 58 | — |
| May 21, 2026 | 81 | — |
| May 20, 2026 | 35 | — |
| May 19, 2026 | 30 | — |
| May 18, 2026 | 31 | — |
| May 17, 2026 | 32 | — |
| May 16, 2026 | 33 | — |
| May 15, 2026 | 35 | — |
| Apr 21, 2026 | 40 | — |
| Apr 20, 2026 | 42 | — |
| Apr 19, 2026 | 44 | — |
| Apr 18, 2026 | 40 | — |
| Apr 17, 2026 | 42 | — |
| Apr 16, 2026 | 44 | — |
| Apr 15, 2026 | 55 | — |
| Apr 14, 2026 | 45 | — |
| Apr 13, 2026 | 43 | — |
| Apr 12, 2026 | 43 | — |
| Apr 11, 2026 | 45 | — |
| Apr 10, 2026 | 46 | — |
| Apr 9, 2026 | 46 | — |
| Apr 8, 2026 | 47 | — |
| Apr 7, 2026 | 50 | — |
| Apr 6, 2026 | 57 | — |
Station Information
- USGS Site No
- 01582000
- State
- MD
- County
- Baltimore County
- Coordinates
- 39.6043, -76.6205
- Drainage Area
- 53 mi²
- Datum (ft)
- 302.4
- HUC Code
- 02060003
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 8.5 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 14.0 ft
Currently 8.15 ft below flood stage.
Recent Extremes
- Max discharge
-
362 cfsJul 31, 2025
- Min discharge
-
25 cfsSep 15, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Gunpowder Falls Near Parkton, MDVery Low3.9 mi · 27 cfs
-
Gunpowder Falls at Glencoe, MDLow3.9 mi · 97 cfs
-
Beetree Run at Bentley Springs, MDNormal5.6 mi · 9 cfs
-
Western Run at Western Run, MDLow7.1 mi · 39 cfs
-
Georges Run Near Beckleysville, MDNormal8.2 mi · 13 cfs