RIVER GAUGE · ALLEGHENY RIVER
Allegheny River at Sharpsburg Lock and Dam
Allegheny County, Pennsylvania
Water level12.09 ft
Flow23,800 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action16.3 ft
Minor flood21 ft
Moderate flood22 ft
Major flood23 ft
The past week
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What floods at each level
- 23.1 ft
13th Street floods in Sharpsburg.
- 21.7 ft
Trumbull Construction Co on 51st Street floods.
- 21.3 ft
Flooding begins near the M & M Gas Station on North Main Street in Sharpsburg.
- 21 ft
Lock wall overtopped.
- 19 ft
Navigation suspended, lock out of service.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 23, 1972 | 26.9 ft | — |
| Jan 19, 1996 | 22.9 ft | — |
| Sep 18, 2004 | 22.1 ft | 184,700 cfs |
More on Allegheny River
DownstreamOhio River at Pittsburgh
Allegheny River at C.W. Bill Young Lock and Dam
Allegheny River at Clinton Lock and Dam
Allegheny River at Eldred
Allegheny River at Freeport Lock and Dam
Allegheny River at Franklin
Allegheny River at Kittanning Lock and Dam
Allegheny River at Mosgrove Lock and Dam
Allegheny River at Natrona Lock and Dam
Allegheny River at Parker
Allegheny River at Rimer Lock and Dam
Get an alert when Allegheny River rises
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