Eel River at Fort Seward CA
USGS Site No: 11475000 • Eel River • Humboldt County, CA
Eel River at Fort Seward CA on the Eel River is currently at 482 cfs (High — 77th percentile for this date) . Gage height: 8.42 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 | 39 | |
| 25th | Low threshold | 58 | |
| 50th (Median) | Normal (median) | 105 | |
| 75th | High threshold | 247 | |
| 95th | Very High threshold | 2,850 | Today: 482 cfs |
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 | 469 | — |
| May 27, 2026 | 461 | — |
| May 26, 2026 | 484 | — |
| May 25, 2026 | 500 | — |
| May 24, 2026 | 527 | — |
| May 23, 2026 | 563 | — |
| May 22, 2026 | 597 | — |
| May 21, 2026 | 623 | — |
| May 20, 2026 | 649 | — |
| May 19, 2026 | 681 | — |
| May 18, 2026 | 710 | — |
| May 17, 2026 | 742 | — |
| May 16, 2026 | 799 | — |
| May 15, 2026 | 854 | — |
| Apr 20, 2026 | 1,700 | — |
| Apr 19, 2026 | 1,740 | — |
| Apr 18, 2026 | 1,880 | — |
| Apr 17, 2026 | 2,130 | — |
| Apr 16, 2026 | 2,460 | — |
| Apr 15, 2026 | 2,810 | — |
| Apr 14, 2026 | 3,660 | — |
| Apr 13, 2026 | 6,150 | — |
| Apr 12, 2026 | 3,490 | — |
| Apr 11, 2026 | 1,360 | — |
| Apr 10, 2026 | 1,290 | — |
| Apr 9, 2026 | 1,300 | — |
| Apr 8, 2026 | 1,330 | — |
| Apr 7, 2026 | 1,380 | — |
| Apr 6, 2026 | 1,430 | — |
| Apr 5, 2026 | 1,490 | — |
Station Information
- USGS Site No
- 11475000
- State
- CA
- County
- Humboldt County
- Coordinates
- 40.2182, -123.6325
- Drainage Area
- 2,107 mi²
- Datum (ft)
- 220.3
- HUC Code
- 18010105
Flood Stage Thresholds
- Action Stage
- 55.0 ft
- Flood Stage
- 70.0 ft
- Moderate Flood
- 80.0 ft
- Major Flood
- 90.0 ft
Currently 61.58 ft below flood stage.
Recent Extremes
- Max discharge
-
90,400 cfsFeb 25, 2026
- Min discharge
-
43 cfsSep 7, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Sf Eel River near Miranda CANormal8.0 mi · 181 cfs
- Unknown
-
Mad River above Ruth Reservoir near Forest Glen CAHigh16.3 mi · 27 cfs
-
Sf Trinity River at Forest Glen CAUnknown19.4 mi · 0 cfs
-
Mattole River near Ettersburg CANormal19.7 mi · 42 cfs