Grouse C at Grouse Lake Outlet near Seward AK
USGS Site No: 15237730 • Kenai Peninsula Borough, AK
Grouse C at Grouse Lake Outlet near Seward AK is currently at 20 cfs (Normal — 30th percentile for this date) . Gage height: 4.97 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 | |
| 25th | Low threshold | 18 | |
| 50th (Median) | Normal (median) | 28 | Today: 20 cfs |
| 75th | High threshold | 48 | |
| 95th | Very High threshold | 77 |
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 | 21 | — |
| May 27, 2026 | 22 | — |
| May 26, 2026 | 22 | — |
| May 25, 2026 | 21 | — |
| May 24, 2026 | 22 | — |
| May 23, 2026 | 24 | — |
| May 22, 2026 | 26 | — |
| May 21, 2026 | 26 | — |
| May 20, 2026 | 29 | — |
| May 19, 2026 | 31 | — |
| May 18, 2026 | 24 | — |
| May 17, 2026 | 23 | — |
| May 16, 2026 | 24 | — |
| May 15, 2026 | 26 | — |
| Apr 20, 2026 | 8 | — |
| Apr 19, 2026 | 8 | — |
| Apr 18, 2026 | 8 | — |
| Apr 17, 2026 | 7 | — |
| Apr 16, 2026 | 6 | — |
| Apr 15, 2026 | 6 | — |
| Apr 14, 2026 | 6 | — |
| Apr 13, 2026 | 6 | — |
| Feb 24, 2026 | 10 | — |
| Feb 23, 2026 | 11 | — |
| Feb 22, 2026 | 11 | — |
| Feb 21, 2026 | 10 | — |
| Feb 20, 2026 | 10 | — |
| Feb 19, 2026 | 12 | — |
| Feb 18, 2026 | 12 | — |
| Feb 17, 2026 | 13 | — |
Station Information
- USGS Site No
- 15237730
- State
- AK
- County
- Kenai Peninsula Borough
- Coordinates
- 60.1978, -149.3755
- Drainage Area
- 6 mi²
- Datum (ft)
- 208.9
- HUC Code
- 19020202
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 8.0 ft
- Moderate Flood
- 9.0 ft
Currently 3.03 ft below flood stage.
Recent Extremes
- Max discharge
-
84 cfsOct 31, 2025
- Min discharge
-
5 cfsAug 18, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Snow River near Seward AKVery Low6.8 mi · 381 cfs
-
Lowell C at Seward AKVery Low7.3 mi · 28 cfs
-
Wolverine C near Lawing AKUnknown20.3 mi · 0 cfs
-
Kenai River at Cooper Landing AKVery Low25.2 mi · 1,320 cfs
-
Cooper C at Mouth near Cooper Landing AKVery Low26.1 mi · 45 cfs