River stage
Allegheny River
- River level
- Normal
- Status
- Below flood stage
Latest readings 2026-10-13 | NWS · USGS
- Gauges reporting
- 18 of 18
- Above flood stage
- 0
- Above action stage
- 0
- Overall
- Below flood stage
- Publisher
- NWS · USGS
In brief
On Oct 13, 2026, 18 of 18 gauges on the Allegheny River reported, and none was above flood stage.
Source: National Weather Service and USGS gauges
Allegheny River levels, gauge by gauge
The Allegheny River is measured at 18 gauges across New York, Pennsylvania. Flood stages are set per gauge, so the same river is "high" at one town and normal at the next.
| Location | Level | Status |
|---|---|---|
| Olean | 1.24 ft | normal, steady |
| Red House | 7.62 ft | no flood stage set |
| Salamanca | 2.78 ft | normal, steady |
| C.W. Bill Young Lock and Dam | 11.22 ft | below flood stage |
| Clinton Lock and Dam | 10.11 ft | below flood stage |
| Eldred | 2.80 ft | normal, steady |
| Franklin | 3.86 ft | normal, falling |
| Freeport Lock and Dam | 10.34 ft | below flood stage |
| Kinzua Dam Outflow | 8.61 ft | no flood stage set |
| Kittanning Lock and Dam | 10.88 ft | below flood stage |
| Mosgrove Lock and Dam | 9.59 ft | below flood stage |
| Natrona Lock and Dam | 11.77 ft | below flood stage |
| Parker | 3.00 ft | normal, steady |
| Port Allegany | 2.27 ft | no flood stage set |
| Rimer Lock and Dam | 9.38 ft | below flood stage |
| Sharpsburg Lock and Dam | 11.31 ft | below flood stage |
| Warren | 3.24 ft | normal, falling |
| West Hickory | 4.30 ft | normal, steady |
Recent levels on the Allegheny River
The gauge with the fullest recent record on this river is Olean, NY, with 122 days of readings.
Other rivers nearby
- Clarion River 4 gauges
- Oil Creek 1 gauge
- Crooked Creek (PA) 3 gauges
- French Creek (PA) 7 gauges
- Slippery Rock Creek 1 gauge
- Connoquenessing Creek 1 gauge
- Pine Creek (Etna, PA) 1 gauge
- Chartiers Creek 2 gauges
Frequently asked questions
Is the Allegheny River flooding right now?
No. Every one of the 18 reporting gauges on the Allegheny River is below flood stage as of 2026-10-13.
How high is the Allegheny River?
The river is measured at several points and each reads a different height. Olean is at 1.24 ft; Salamanca is at 2.78 ft; Eldred is at 2.80 ft; Franklin is at 3.86 ft.
Where is the Allegheny River measured?
The National Weather Service and USGS operate 18 gauges on the Allegheny River across New York, Pennsylvania.
What does flood stage mean?
Flood stage is the height at which a river begins to cause problems at that specific location. It is set per gauge, so the same river can be above flood stage in one town and normal a few miles downstream. Action stage is the lower level at which forecasters start watching closely.
River stages and flood categories from the NOAA National Weather Service; daily history from the U.S. Geological Survey. For flood safety decisions always follow official National Weather Service warnings.