Willamette River at Harrisburg, OR
USGS Site No: 14166000 • Willamette River • Linn County, OR
Willamette River at Harrisburg, OR on the Willamette River is currently at 5,840 cfs (Low — 24th percentile for this date) . Gage height: 2.69 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 | 4,460 | |
| 25th | Low threshold | 5,930 | Today: 5,840 cfs |
| 50th (Median) | Normal (median) | 7,740 | |
| 75th | High threshold | 11,700 | |
| 95th | Very High threshold | 20,100 |
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 | 5,820 | — |
| May 27, 2026 | 5,870 | — |
| May 26, 2026 | 6,000 | — |
| May 25, 2026 | 5,940 | — |
| May 24, 2026 | 5,950 | — |
| May 23, 2026 | 5,890 | — |
| May 22, 2026 | 5,680 | — |
| May 21, 2026 | 5,660 | — |
| May 20, 2026 | 5,690 | — |
| May 19, 2026 | 5,760 | — |
| May 18, 2026 | 5,900 | — |
| May 17, 2026 | 5,970 | — |
| May 16, 2026 | 5,810 | — |
| May 15, 2026 | 5,460 | — |
| Apr 20, 2026 | 7,600 | — |
| Apr 19, 2026 | 7,940 | — |
| Apr 18, 2026 | 8,410 | — |
| Apr 17, 2026 | 8,830 | — |
| Apr 16, 2026 | 9,560 | — |
| Apr 15, 2026 | 7,200 | — |
| Apr 14, 2026 | 6,900 | — |
| Apr 13, 2026 | 7,430 | — |
| Apr 12, 2026 | 8,070 | — |
| Apr 11, 2026 | 6,110 | — |
| Apr 10, 2026 | 5,430 | — |
| Apr 9, 2026 | 5,420 | — |
| Apr 8, 2026 | 5,600 | — |
| Apr 7, 2026 | 5,840 | — |
| Apr 6, 2026 | 6,200 | — |
| Apr 5, 2026 | 6,590 | — |
Station Information
- USGS Site No
- 14166000
- State
- OR
- County
- Linn County
- Coordinates
- 44.2704, -123.1737
- Drainage Area
- 3,420 mi²
- Datum (ft)
- 288.4
- HUC Code
- 17090003
Flood Stage Thresholds
- Action Stage
- 10.8 ft
- Flood Stage
- 14.0 ft
- Moderate Flood
- 16.0 ft
- Major Flood
- 17.0 ft
Currently 11.31 ft below flood stage.
Recent Extremes
- Max discharge
-
37,800 cfsDec 20, 2025
- Min discharge
-
3,750 cfsDec 4, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Long Tom River at Monroe, ORNormal6.7 mi · 81 cfs
-
Long Tom River Near Alvadore, ORHigh12.0 mi · 72 cfs
-
Mckenzie River Near Coburg, ORLow12.6 mi · 2,780 cfs
-
Mohawk River Near Springfield, ORNormal16.3 mi · 116 cfs
-
Mckenzie River above Hayden Branch, at Springfield,orLow17.2 mi · 2,710 cfs