Sandy River Near Mercer, Maine
USGS Site No: 01048000 • Sandy River • Somerset County, ME
Sandy River Near Mercer, Maine on the Sandy River is currently at 639 cfs (Normal — 57th percentile for this date) . Gage height: 3.96 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 | 120 | |
| 25th | Low threshold | 218 | |
| 50th (Median) | Normal (median) | 495 | |
| 75th | High threshold | 1,020 | Today: 639 cfs |
| 95th | Very High threshold | 2,890 |
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 | 781 | — |
| May 27, 2026 | 1,040 | — |
| May 26, 2026 | 1,540 | — |
| May 25, 2026 | 782 | — |
| May 24, 2026 | 621 | — |
| May 23, 2026 | 687 | — |
| May 22, 2026 | 777 | — |
| May 21, 2026 | 927 | — |
| May 20, 2026 | 1,110 | — |
| May 19, 2026 | 1,290 | — |
| May 18, 2026 | 1,650 | — |
| May 17, 2026 | 2,320 | — |
| May 16, 2026 | 4,130 | — |
| May 15, 2026 | 4,180 | — |
| Apr 22, 2026 | 1,940 | — |
| Apr 21, 2026 | 2,220 | — |
| Apr 20, 2026 | 3,090 | — |
| Apr 19, 2026 | 2,500 | — |
| Apr 18, 2026 | 3,290 | — |
| Apr 17, 2026 | 4,750 | — |
| Apr 16, 2026 | 3,260 | — |
| Apr 15, 2026 | 3,690 | — |
| Apr 14, 2026 | 3,040 | — |
| Apr 13, 2026 | 1,820 | — |
| Apr 12, 2026 | 1,830 | — |
| Apr 11, 2026 | 1,700 | — |
| Apr 10, 2026 | 1,410 | — |
| Apr 9, 2026 | 1,470 | — |
| Apr 8, 2026 | 1,720 | — |
| Apr 7, 2026 | 2,300 | — |
Station Information
- USGS Site No
- 01048000
- State
- ME
- County
- Somerset County
- Coordinates
- 44.7081, -69.9375
- Drainage Area
- 516 mi²
- Datum (ft)
- 195.8
- HUC Code
- 01030003
Flood Stage Thresholds
- Action Stage
- 8.0 ft
- Flood Stage
- 10.0 ft
- Moderate Flood
- 14.0 ft
- Major Flood
- 16.0 ft
Currently 6.04 ft below flood stage.
Recent Extremes
- Max discharge
-
6,080 cfsMar 17, 2026
- Min discharge
-
42 cfsSep 22, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Kennebec River Near Madison, MaineNormal5.5 mi · 4,820 cfs
-
Carrabassett River Near North Anson, MaineNormal11.2 mi · 412 cfs
-
Kennebec River at North Sidney, MaineNormal20.5 mi · 7,240 cfs
-
East Branch Wesserunsett Stream Near Athens, MaineNormal21.5 mi · 18 cfs
-
Kennebec River at Bingham, MaineHigh23.9 mi · 3,890 cfs