Kvichak River at Igiugig AK
USGS Site No: 15300500 • Kvichak River • Lake and Peninsula Borough, AK
Kvichak River at Igiugig AK on the Kvichak River is currently at 10,900 cfs (Low — 13th percentile for this date) . Gage height: 11.29 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 | 10,800 | |
| 25th | Low threshold | 11,300 | Today: 10,900 cfs |
| 50th (Median) | Normal (median) | 14,100 | |
| 75th | High threshold | 15,300 | |
| 95th | Very High threshold | 18,600 |
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 29, 2026 | 10,700 | — |
| May 28, 2026 | 10,800 | — |
| May 27, 2026 | 11,600 | — |
| May 26, 2026 | 11,700 | — |
| May 25, 2026 | 11,700 | — |
| May 24, 2026 | 11,400 | — |
| May 23, 2026 | 11,400 | — |
| May 22, 2026 | 11,400 | — |
| May 21, 2026 | 11,400 | — |
| May 20, 2026 | 11,300 | — |
| May 19, 2026 | 11,200 | — |
| May 18, 2026 | 11,400 | — |
| May 17, 2026 | 11,100 | — |
| May 16, 2026 | 11,500 | — |
| May 15, 2026 | 11,000 | — |
| Apr 21, 2026 | 9,830 | — |
| Apr 20, 2026 | 9,820 | — |
| Apr 19, 2026 | 9,800 | — |
| Apr 18, 2026 | 9,820 | — |
| Apr 17, 2026 | 9,800 | — |
| Apr 16, 2026 | 9,860 | — |
| Apr 15, 2026 | 9,860 | — |
| Apr 14, 2026 | 9,800 | — |
| Apr 13, 2026 | 9,740 | — |
| Apr 12, 2026 | 9,810 | — |
| Apr 11, 2026 | 9,940 | — |
| Apr 10, 2026 | 9,930 | — |
| Apr 9, 2026 | 9,950 | — |
| Apr 8, 2026 | 10,000 | — |
| Apr 7, 2026 | 10,100 | — |
Station Information
- USGS Site No
- 15300500
- State
- AK
- County
- Lake and Peninsula Borough
- Coordinates
- 59.3289, -155.8992
- Drainage Area
- 6,400 mi²
- Datum (ft)
- 28.2
- HUC Code
- 190302061401
Recent Extremes
- Max discharge
-
22,100 cfsAug 6, 2025
- Min discharge
-
9,740 cfsApr 13, 2026
Computed from the local daily-values archive.