Aroostook River Near Masardis, Maine
USGS Site No: 01015800 • Aroostook River • Aroostook County, ME
Aroostook River Near Masardis, Maine on the Aroostook River is currently at 1,530 cfs (Normal — 67th percentile for this date) . Gage height: 5.27 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 | 241 | |
| 25th | Low threshold | 448 | |
| 50th (Median) | Normal (median) | 782 | |
| 75th | High threshold | 1,910 | Today: 1,530 cfs |
| 95th | Very High threshold | 7,170 |
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 | 1,690 | — |
| May 27, 2026 | 1,470 | — |
| May 26, 2026 | 1,100 | — |
| May 25, 2026 | 920 | — |
| May 24, 2026 | 945 | — |
| May 23, 2026 | 1,050 | — |
| May 22, 2026 | 1,170 | — |
| May 21, 2026 | 1,320 | — |
| May 20, 2026 | 1,460 | — |
| May 19, 2026 | 1,590 | — |
| May 18, 2026 | 1,780 | — |
| May 17, 2026 | 1,980 | — |
| May 16, 2026 | 2,200 | — |
| May 15, 2026 | 2,420 | — |
| Apr 21, 2026 | 9,170 | — |
| Apr 20, 2026 | 10,700 | — |
| Apr 19, 2026 | 10,700 | — |
| Apr 18, 2026 | 10,600 | — |
| Apr 17, 2026 | 9,370 | — |
| Apr 16, 2026 | 8,430 | — |
| Apr 15, 2026 | 6,650 | — |
| Apr 14, 2026 | 4,550 | — |
| Nov 16, 2025 | 1,190 | — |
| Nov 15, 2025 | 1,400 | — |
| Nov 14, 2025 | 1,680 | — |
| Nov 13, 2025 | 1,990 | — |
| Nov 12, 2025 | 2,080 | — |
| Nov 11, 2025 | 1,330 | — |
| Nov 10, 2025 | 841 | — |
| Nov 9, 2025 | 830 | — |
Station Information
- USGS Site No
- 01015800
- State
- ME
- County
- Aroostook County
- Coordinates
- 46.5231, -68.3717
- Drainage Area
- 894 mi²
- Datum (ft)
- 530.0
- HUC Code
- 01010004
Flood Stage Thresholds
- Action Stage
- 15.5 ft
- Flood Stage
- 17.0 ft
- Moderate Flood
- 18.0 ft
- Major Flood
- 20.0 ft
Currently 11.73 ft below flood stage.
Recent Extremes
- Max discharge
-
10,700 cfsApr 19, 2026
- Min discharge
-
83 cfsSep 22, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Aroostook River at Washburn, MaineNormal20.3 mi · 2,750 cfs
-
Williams Brook at Phair, MaineNormal21.2 mi · 6 cfs
-
Hardwood Brook Below Glidden Brk near Caribou, MaineNormal25.6 mi · 9 cfs
-
Seboeis River Near Shin Pond, MaineNormal29.1 mi · 252 cfs
-
Little Madawaska River at Caribou, MaineNormal32.4 mi · 585 cfs