Allagash River Near Allagash, Maine
USGS Site No: 01011000 • Allagash River • Aroostook County, ME
Allagash River Near Allagash, Maine on the Allagash River is currently at 1,830 cfs (Normal — 68th percentile for this date) . Gage height: 3.57 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 27 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 | 353 | |
| 25th | Low threshold | 514 | |
| 50th (Median) | Normal (median) | 1,080 | |
| 75th | High threshold | 2,130 | Today: 1,830 cfs |
| 95th | Very High threshold | 4,180 |
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 | 1,970 | — |
| May 27, 2026 | 1,870 | — |
| May 26, 2026 | 1,470 | — |
| May 25, 2026 | 1,440 | — |
| May 24, 2026 | 1,530 | — |
| May 23, 2026 | 1,640 | — |
| May 22, 2026 | 1,780 | — |
| May 21, 2026 | 1,970 | — |
| May 20, 2026 | 2,170 | — |
| May 19, 2026 | 2,380 | — |
| May 18, 2026 | 2,670 | — |
| May 17, 2026 | 3,080 | — |
| May 16, 2026 | 3,360 | — |
| May 15, 2026 | 3,710 | — |
| Apr 21, 2026 | 13,300 | — |
| Apr 20, 2026 | 17,300 | — |
| Apr 19, 2026 | 18,000 | — |
| Apr 18, 2026 | 17,300 | — |
| Apr 17, 2026 | 13,500 | — |
| Apr 16, 2026 | 8,110 | — |
| Nov 22, 2025 | 643 | — |
| Nov 21, 2025 | 658 | — |
| Nov 20, 2025 | 687 | — |
| Nov 19, 2025 | 739 | — |
| Nov 18, 2025 | 790 | — |
| Nov 17, 2025 | 851 | — |
| Nov 16, 2025 | 873 | — |
| Nov 15, 2025 | 958 | — |
| Nov 14, 2025 | 1,080 | — |
| Nov 13, 2025 | 1,210 | — |
Station Information
- USGS Site No
- 01011000
- State
- ME
- County
- Aroostook County
- Coordinates
- 47.0697, -69.0794
- Drainage Area
- 1,478 mi²
- Datum (ft)
- 604.3
- HUC Code
- 01010002
Flood Stage Thresholds
- Action Stage
- 13.0 ft
- Flood Stage
- 15.0 ft
- Moderate Flood
- 17.0 ft
- Major Flood
- 19.0 ft
Currently 11.43 ft below flood stage.
Recent Extremes
- Max discharge
-
18,000 cfsApr 19, 2026
- Min discharge
-
266 cfsOct 20, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
St. John River at Dickey, MaineNormal3.0 mi · 4,190 cfs
-
Fish River Near Fort Kent, MaineHigh26.1 mi · 2,080 cfs
-
St. John River Below Fish River, near Fort Kent, MaineNormal27.5 mi · 10,600 cfs
-
Big Black River Near Depot Mountain, MaineNormal33.9 mi · 243 cfs
-
St. John River at Ninemile Bridge, MaineNormal39.4 mi · 1,370 cfs