Pend Oreille River at International Boundary
USGS Site No: 12398600 • Pend Oreille River • Pend Oreille County, WA
Pend Oreille River at International Boundary on the Pend Oreille River is currently at 45,700 cfs (Very High — 100th percentile for this date) . Gage height: 0.00 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 | 16,900 | |
| 25th | Low threshold | 20,600 | |
| 50th (Median) | Normal (median) | 24,200 | |
| 75th | High threshold | 27,300 | |
| 95th | Very High threshold | 31,100 |
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) |
|---|---|---|
| Mar 31, 2026 | 40,300 | — |
| Mar 30, 2026 | 39,300 | — |
| Mar 29, 2026 | 40,300 | — |
| Mar 28, 2026 | 30,500 | — |
| Mar 27, 2026 | 42,700 | — |
| Mar 26, 2026 | 38,000 | — |
| Mar 25, 2026 | 34,800 | — |
| Mar 24, 2026 | 29,400 | — |
| Mar 23, 2026 | 30,000 | — |
| Mar 22, 2026 | 26,200 | — |
| Mar 21, 2026 | 29,400 | — |
| Mar 20, 2026 | 27,700 | — |
| Mar 19, 2026 | 28,400 | — |
| Mar 18, 2026 | 22,400 | — |
| Mar 17, 2026 | 33,500 | — |
| Mar 16, 2026 | 25,300 | — |
| Mar 15, 2026 | 25,600 | — |
| Mar 14, 2026 | 22,100 | — |
| Mar 13, 2026 | 23,000 | — |
| Mar 12, 2026 | 26,300 | — |
| Mar 11, 2026 | 27,100 | — |
| Mar 10, 2026 | 21,000 | — |
| Mar 9, 2026 | 23,100 | — |
| Mar 8, 2026 | 25,100 | — |
| Mar 7, 2026 | 20,700 | — |
| Mar 6, 2026 | 27,600 | — |
| Mar 5, 2026 | 22,600 | — |
| Mar 4, 2026 | 24,400 | — |
| Mar 3, 2026 | 25,300 | — |
| Mar 2, 2026 | 28,100 | — |
Station Information
- USGS Site No
- 12398600
- State
- WA
- County
- Pend Oreille County
- Coordinates
- 48.9988, -117.3536
- Drainage Area
- 25,200 mi²
- Datum (ft)
- 1,700.0
- HUC Code
- 17010216
Recent Extremes
- Max discharge
-
46,100 cfsMay 16, 2025
- Min discharge
-
4,620 cfsSep 7, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Columbia River at International BoundaryVery High12.5 mi · 172,000 cfs
-
Pend Oreille River Below Box Canyon Near Ione, WAVery High15.3 mi · 54,100 cfs
-
Boundary Creek near Porthill IDVery High35.6 mi · 490 cfs
-
Kootenai River at Porthill IDVery High38.4 mi · 30,800 cfs
- Unknown