Allegheny River

Streamflow Hydrology Weather

Allegheny River Levels

September 27 2023

47,974 ACRE-FT

Discharge Volume Today
+563.1 cfs (+2.38%) since yesterday
66.56% of normal Low

Total streamflow across the Allegheny River was last observed at 24,187 cfs, and is expected to yield approximately 47,974 acre-ft of water today; about 67% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 36,340 cfs, with recent peaks last observed on 2022-02-24 when daily discharge volume was observed at 398,200 cfs.

Maximum discharge along the river is currently at the Allegheny River At Natrona reporting a streamflow rate of 4,930 cfs. This is also the highest stage along the Allegheny River, with a gauge stage of 10.49 ft at this location. This river is monitored from 10 different streamgauging stations along the Allegheny River, the highest being situated at an altitude of 1,457 ft, the Allegheny River At Port Allegany.

Last Updated 2023-09-27
Streamflow 24,186.8 cfs
Percent of Normal 66.56%
Maximum 398,200.0 cfs

About the allegheny river

The Allegheny River spans over 325 miles and originates in Potter County, Pennsylvania. It flows through the Allegheny Mountains and ultimately joins the Monongahela River to form the Ohio River. Native American tribes such as the Seneca, Shawnee, and Mohawk once inhabited the region before European settlers arrived in the 1700s. The river's hydrology and course have been altered by various dams, including the Kinzua Dam, which created the Allegheny Reservoir. The Conemaugh River Lake and Tionesta Lake are other major reservoirs along the river. The Allegheny River is used for a variety of recreational activities, such as fishing, boating, and camping. The river is also a source of drinking water for multiple towns and cities, and its watersheds support agricultural industries throughout the region.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Allegheny River At Port Allegany
USGS 03007800
80 cfs 2.41 ft -12.02
Allegheny River At Eldred
USGS 03010500
198 cfs 2.54 ft -15.02
Allegheny River At Salamanca Ny
USGS 03011020
389 cfs 2.79 ft 8.06
Allegheny River At Kinzua Dam
USGS 03012550
2240 cfs 8.59 ft 0
Allegheny River Bl Conewango Creek At Warren
USGS 03015310
2460 cfs 3.15 ft -0.81
Allegheny River At West Hickory
USGS 03016000
2600 cfs 3.96 ft -1.89
Allegheny River At Franklin
USGS 03025500
3070 cfs 3.33 ft 1.66
Allegheny River At Parker
USGS 03031500
3900 cfs 2.42 ft 0.78
Allegheny River At Kittanning
USGS 03036500
4320 cfs 10.28 ft 6.93
Allegheny River At Natrona
USGS 03049500
4930 cfs 10.49 ft 6.25

Peak Annual Discharge

Allegheny River Maximum Total Discharge

Seasonal Comparison

Allegheny River Year Over Year Discharge

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