Genesee River at Portageville NY
USGS Site No: 04223000 • Genesee River • Wyoming County, NY
Genesee River at Portageville NY on the Genesee River is currently at 737 cfs (Normal — 64th percentile for this date) . Gage height: 9.55 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 | 217 | |
| 25th | Low threshold | 310 | |
| 50th (Median) | Normal (median) | 448 | |
| 75th | High threshold | 972 | Today: 737 cfs |
| 95th | Very High threshold | 2,840 |
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 | 907 | — |
| May 27, 2026 | 1,310 | — |
| May 26, 2026 | 1,800 | — |
| May 25, 2026 | 2,230 | — |
| May 24, 2026 | 2,150 | — |
| May 23, 2026 | 994 | — |
| May 22, 2026 | 687 | — |
| May 21, 2026 | 829 | — |
| May 20, 2026 | 976 | — |
| May 19, 2026 | 1,050 | — |
| May 18, 2026 | 1,190 | — |
| May 17, 2026 | 1,400 | — |
| May 16, 2026 | 1,610 | — |
| May 15, 2026 | 1,900 | — |
| Apr 21, 2026 | 2,980 | — |
| Apr 20, 2026 | 4,600 | — |
| Apr 19, 2026 | 5,940 | — |
| Apr 18, 2026 | 3,560 | — |
| Apr 17, 2026 | 6,720 | — |
| Apr 16, 2026 | 3,720 | — |
| Apr 15, 2026 | 1,950 | — |
| Apr 14, 2026 | 1,540 | — |
| Apr 13, 2026 | 1,710 | — |
| Apr 12, 2026 | 1,810 | — |
| Apr 11, 2026 | 2,380 | — |
| Apr 10, 2026 | 2,370 | — |
| Apr 9, 2026 | 2,790 | — |
| Apr 8, 2026 | 3,230 | — |
| Apr 7, 2026 | 4,000 | — |
| Apr 6, 2026 | 5,560 | — |
Station Information
- USGS Site No
- 04223000
- State
- NY
- County
- Wyoming County
- Coordinates
- 42.5702, -78.0420
- Drainage Area
- 984 mi²
- Datum (ft)
- 1,079.7
- HUC Code
- 04130002
Flood Stage Thresholds
- Action Stage
- 17.0 ft
- Flood Stage
- 19.0 ft
- Moderate Flood
- 25.0 ft
- Major Flood
- 29.0 ft
Currently 9.45 ft below flood stage.
Recent Extremes
- Max discharge
-
15,900 cfsMay 6, 2025
- Min discharge
-
92 cfsSep 22, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Oatka Creek at Warsaw NYHigh12.9 mi · 31 cfs
-
Canaseraga Creek at Shakers Crossing NYHigh15.3 mi · 219 cfs
-
Genesee River Near Mount Morris NYHigh17.1 mi · 1,150 cfs
-
Canaseraga Creek Above Dansville NYNormal17.4 mi · 38 cfs
-
Canisteo River at Arkport NYNormal20.7 mi · 12 cfs