Willamette River at Corvallis, OR
USGS Site No: 14171600 • Willamette River • Benton County, OR
Willamette River at Corvallis, OR on the Willamette River is currently at 6,540 cfs (Normal — 28th percentile for this date) . Gage height: 11.10 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 | 4,660 | |
| 25th | Low threshold | 6,270 | |
| 50th (Median) | Normal (median) | 8,560 | Today: 6,540 cfs |
| 75th | High threshold | 14,000 | |
| 95th | Very High threshold | 0 |
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 | 6,500 | — |
| May 27, 2026 | 6,600 | — |
| May 26, 2026 | 6,670 | — |
| May 25, 2026 | 6,640 | — |
| May 24, 2026 | 6,660 | — |
| May 23, 2026 | 6,590 | — |
| May 22, 2026 | 6,370 | — |
| May 21, 2026 | 6,440 | — |
| May 20, 2026 | 6,500 | — |
| May 19, 2026 | 6,620 | — |
| May 18, 2026 | 6,810 | — |
| May 17, 2026 | 6,780 | — |
| May 16, 2026 | 6,480 | — |
| May 15, 2026 | 6,240 | — |
| Apr 20, 2026 | 9,450 | — |
| Apr 19, 2026 | 10,100 | — |
| Apr 18, 2026 | 10,700 | — |
| Apr 17, 2026 | 11,500 | — |
| Apr 16, 2026 | 11,400 | — |
| Apr 15, 2026 | 8,610 | — |
| Apr 14, 2026 | 8,510 | — |
| Apr 13, 2026 | 9,320 | — |
| Apr 12, 2026 | 8,900 | — |
| Apr 11, 2026 | 6,710 | — |
| Apr 10, 2026 | 6,380 | — |
| Apr 9, 2026 | 6,480 | — |
| Apr 8, 2026 | 6,740 | — |
| Apr 7, 2026 | 7,070 | — |
| Apr 6, 2026 | 7,560 | — |
| Apr 5, 2026 | 8,050 | — |
Station Information
- USGS Site No
- 14171600
- State
- OR
- County
- Benton County
- Coordinates
- 44.5664, -123.2568
- Drainage Area
- 4,420 mi²
- Datum (ft)
- 180.0
- HUC Code
- 17090003
Flood Stage Thresholds
- Action Stage
- 26.0 ft
- Flood Stage
- 30.0 ft
- Moderate Flood
- 33.0 ft
- Major Flood
- 36.0 ft
Currently 18.90 ft below flood stage.
Recent Extremes
- Max discharge
-
47,400 cfsDec 20, 2025
- Min discharge
-
4,200 cfsDec 4, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Marys River Near Philomath, ORNormal4.8 mi · 78 cfs
-
Calapooia River at Albany, ORLow7.3 mi · 119 cfs
-
Willamette River at Albany, ORLow8.9 mi · 6,800 cfs
-
Santiam River at Jefferson, ORLow15.7 mi · 2,770 cfs
-
North Santiam River at Greens Bridge, near Jefferson, ORLow17.0 mi · 1,110 cfs