Monongahela River at Braddock, PA
USGS Site No: 03085000 • Monongahela River • Allegheny County, PA
Monongahela River at Braddock, PA on the Monongahela River is currently at 12,800 cfs (High — 76th percentile for this date) . Gage height: 13.74 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 | 2,500 | |
| 25th | Low threshold | 3,470 | |
| 50th (Median) | Normal (median) | 6,240 | |
| 75th | High threshold | 11,100 | |
| 95th | Very High threshold | 34,500 | Today: 12,800 cfs |
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 | — | 13.81 |
| May 27, 2026 | — | 13.91 |
| May 26, 2026 | — | 13.60 |
| May 25, 2026 | — | 14.01 |
| May 24, 2026 | — | 13.81 |
| May 23, 2026 | — | 14.39 |
| May 22, 2026 | — | 14.69 |
| May 21, 2026 | — | 14.76 |
| May 20, 2026 | — | 14.74 |
| May 19, 2026 | — | 14.77 |
| May 18, 2026 | — | 14.77 |
| May 17, 2026 | — | 14.64 |
| May 16, 2026 | — | 14.78 |
| May 15, 2026 | — | 14.82 |
| Apr 21, 2026 | — | 14.77 |
| Apr 20, 2026 | — | 14.68 |
| Apr 19, 2026 | — | 14.73 |
| Apr 18, 2026 | — | 14.77 |
| Apr 17, 2026 | — | 14.43 |
| Apr 16, 2026 | — | 14.69 |
| Apr 15, 2026 | — | 14.75 |
| Apr 14, 2026 | — | 14.77 |
| Apr 13, 2026 | — | 14.82 |
| Apr 12, 2026 | — | 14.73 |
| Apr 11, 2026 | — | 14.78 |
| Apr 10, 2026 | — | 14.70 |
| Apr 9, 2026 | — | 14.28 |
| Apr 8, 2026 | — | 14.24 |
| Apr 7, 2026 | — | 14.23 |
| Apr 6, 2026 | — | 14.22 |
Station Information
- USGS Site No
- 03085000
- State
- PA
- County
- Allegheny County
- Coordinates
- 40.3911, -79.8581
- Drainage Area
- 7,337 mi²
- Datum (ft)
- 709.2
- HUC Code
- 05020005
Flood Stage Thresholds
- Action Stage
- 18.2 ft
- Flood Stage
- 22.0 ft
- Moderate Flood
- 23.0 ft
- Major Flood
- 24.0 ft
Currently 8.26 ft below flood stage.
Nearby Gauges
-
Thompson Run at Turtle Creek, PANormal1.9 mi · 19 cfs
-
Turtle Creek at Wilmerding, PAVery Low2.8 mi · 41 cfs
-
Girtys Run Above Grant Avenue at Millvale, PALow8.4 mi · 2 cfs
-
Pine Creek at Grant Avenue at Etna, PAVery Low9.1 mi · 8 cfs
-
Monongahela River at Elizabeth, PAUnknown9.2 mi · 0 cfs