Genesee River at Ballantyne Bridge Near Mortimer NY
USGS Site No: 04230650 • Genesee River • Monroe County, NY
Genesee River at Ballantyne Bridge Near Mortimer NY on the Genesee River is currently at 2,080 cfs (Normal — 58th percentile for this date) . Gage height: 12.05 ft. This station is at or above flood stage.
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 | 0 | |
| 25th | Low threshold | 463 | |
| 50th (Median) | Normal (median) | 542 | |
| 75th | High threshold | 5,460 | Today: 2,080 cfs |
| 95th | Very High threshold | 0 |
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 | 3,000 | — |
| May 27, 2026 | 3,850 | — |
| May 26, 2026 | 4,400 | — |
| May 25, 2026 | 4,390 | — |
| May 24, 2026 | 3,220 | — |
| May 23, 2026 | 1,720 | — |
| May 22, 2026 | 1,800 | — |
| May 21, 2026 | 2,050 | — |
| May 20, 2026 | 2,370 | — |
| May 19, 2026 | 3,360 | — |
| May 18, 2026 | 4,870 | — |
| May 17, 2026 | 5,920 | — |
| May 16, 2026 | 6,290 | — |
| May 15, 2026 | 6,500 | — |
| Apr 21, 2026 | 7,480 | — |
| Apr 20, 2026 | 7,780 | — |
| Apr 19, 2026 | 7,040 | — |
| Apr 18, 2026 | 7,940 | — |
| Apr 17, 2026 | 8,490 | — |
| Apr 16, 2026 | 7,170 | — |
| Apr 15, 2026 | 6,600 | — |
| Apr 14, 2026 | 6,810 | — |
| Apr 13, 2026 | 6,990 | — |
| Apr 12, 2026 | 6,790 | — |
| Apr 11, 2026 | 6,450 | — |
| Apr 10, 2026 | 6,460 | — |
| Apr 9, 2026 | 6,820 | — |
| Apr 8, 2026 | 7,000 | — |
| Apr 7, 2026 | 6,970 | — |
| Apr 6, 2026 | 8,000 | — |
Station Information
- USGS Site No
- 04230650
- State
- NY
- County
- Monroe County
- Coordinates
- 43.0929, -77.6808
- Drainage Area
- 2,210 mi²
- Datum (ft)
- 499.3
- HUC Code
- 04130003
Flood Stage Thresholds
- Action Stage
- 17.0 ft
Recent Extremes
- Max discharge
-
11,900 cfsApr 1, 2026
- Min discharge
-
92 cfsSep 22, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Red Creek Below CO Highway 85 at Mortimer NYNormal1.5 mi · 13 cfs
-
Erie(barge)canal(West Of Genesee River)at Rochester NYVery High2.7 mi · 432 cfs
-
Genesee River at Ford Street Bridge, Rochester NYHigh4.7 mi · 2,850 cfs
-
Round Pond Creek at Straub Road at Greece NYNormal7.4 mi · 6 cfs
-
Oatka Creek at Garbutt NYHigh8.0 mi · 227 cfs