Trinity River at Hoopa CA
USGS Site No: 11530000 • Trinity River • Humboldt County, CA
Trinity River at Hoopa CA on the Trinity River is currently at 2,200 cfs (Normal — 39th percentile for this date) . Gage height: 13.27 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 | 1,430 | |
| 25th | Low threshold | 1,750 | |
| 50th (Median) | Normal (median) | 2,550 | Today: 2,200 cfs |
| 75th | High threshold | 3,840 | |
| 95th | Very High threshold | 8,550 |
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 | 2,190 | — |
| May 27, 2026 | 2,070 | — |
| May 26, 2026 | 2,050 | — |
| May 25, 2026 | 2,090 | — |
| May 24, 2026 | 2,190 | — |
| May 23, 2026 | 2,250 | — |
| May 22, 2026 | 2,170 | — |
| May 21, 2026 | 2,170 | — |
| May 20, 2026 | 2,270 | — |
| May 19, 2026 | 2,320 | — |
| May 18, 2026 | 2,370 | — |
| May 17, 2026 | 2,410 | — |
| May 16, 2026 | 2,490 | — |
| May 15, 2026 | 2,580 | — |
| Apr 20, 2026 | 3,690 | — |
| Apr 19, 2026 | 3,560 | — |
| Apr 18, 2026 | 4,020 | — |
| Apr 17, 2026 | 4,260 | — |
| Apr 16, 2026 | 5,090 | — |
| Apr 15, 2026 | 4,790 | — |
| Apr 14, 2026 | 4,880 | — |
| Apr 13, 2026 | 5,370 | — |
| Apr 12, 2026 | 4,760 | — |
| Apr 11, 2026 | 3,910 | — |
| Apr 10, 2026 | 3,580 | — |
| Apr 9, 2026 | 3,170 | — |
| Apr 8, 2026 | 2,990 | — |
| Apr 7, 2026 | 2,400 | — |
| Apr 6, 2026 | 2,510 | — |
| Apr 5, 2026 | 2,640 | — |
Station Information
- USGS Site No
- 11530000
- State
- CA
- County
- Humboldt County
- Coordinates
- 41.0498, -123.6736
- Drainage Area
- 2,853 mi²
- Datum (ft)
- 278.7
- HUC Code
- 18010211
Flood Stage Thresholds
- Action Stage
- 44.0 ft
- Flood Stage
- 48.0 ft
- Moderate Flood
- 52.0 ft
- Major Flood
- 56.0 ft
Currently 34.73 ft below flood stage.
Recent Extremes
- Max discharge
-
49,100 cfsFeb 25, 2026
- Min discharge
-
609 cfsSep 28, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Redwood C near Blue Lake CALow12.4 mi · 36 cfs
-
Klamath River at OrleansLow19.0 mi · 3,720 cfs
-
Little River near Trinidad CANormal21.4 mi · 18 cfs
-
Trinity River near Burnt Ranch CANormal21.8 mi · 1,400 cfs
-
Mad River near Arcata CANormal22.4 mi · 147 cfs