Coast Fork Willamette River below Cottage Grove Dam, OR
USGS Site No: 14153500 • Willamette River • Lane County, OR
Coast Fork Willamette River below Cottage Grove Dam, OR on the Willamette River is currently at 74 cfs (Normal — 41th percentile for this date) . Gage height: 3.12 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 | 52 | |
| 25th | Low threshold | 64 | |
| 50th (Median) | Normal (median) | 79 | Today: 74 cfs |
| 75th | High threshold | 140 | |
| 95th | Very High threshold | 370 |
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 | 74 | — |
| May 27, 2026 | 74 | — |
| May 26, 2026 | 74 | — |
| May 25, 2026 | 74 | — |
| May 24, 2026 | 74 | — |
| May 23, 2026 | 75 | — |
| May 22, 2026 | 75 | — |
| May 21, 2026 | 76 | — |
| May 20, 2026 | 76 | — |
| May 19, 2026 | 76 | — |
| May 18, 2026 | 76 | — |
| May 17, 2026 | 76 | — |
| May 16, 2026 | 76 | — |
| May 15, 2026 | 75 | — |
| Apr 20, 2026 | 89 | — |
| Apr 19, 2026 | 89 | — |
| Apr 18, 2026 | 90 | — |
| Apr 17, 2026 | 90 | — |
| Apr 16, 2026 | 90 | — |
| Apr 15, 2026 | 90 | — |
| Apr 14, 2026 | 90 | — |
| Apr 13, 2026 | 92 | — |
| Apr 12, 2026 | 95 | — |
| Apr 11, 2026 | 92 | — |
| Apr 10, 2026 | 85 | — |
| Apr 9, 2026 | 85 | — |
| Apr 8, 2026 | 85 | — |
| Apr 7, 2026 | 85 | — |
| Apr 6, 2026 | 85 | — |
| Apr 5, 2026 | 85 | — |
Station Information
- USGS Site No
- 14153500
- State
- OR
- County
- Lane County
- Coordinates
- 43.7207, -123.0498
- Drainage Area
- 104 mi²
- Datum (ft)
- 711.0
- HUC Code
- 17090002
Recent Extremes
- Max discharge
-
1,200 cfsDec 19, 2025
- Min discharge
-
31 cfsNov 15, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Coast Fork Willamette at London, ORLow5.8 mi · 40 cfs
-
Row River Near Cottage Grove, ORLow5.8 mi · 190 cfs
-
Row River Above Pitcher Creek, Near Dorena, ORNormal8.8 mi · 147 cfs
-
Coast Fork Willamette River Near Goshen, ORNormal18.4 mi · 341 cfs
-
Middle Fork Willamette River Near Dexter, ORNormal18.8 mi · 2,520 cfs