RIVER GAUGE · OHIO RIVER
Ohio River at Montgomery Lock and Dam
Beaver County, Pennsylvania
Water level13.30 ft
Flow—
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action23.3 ft
Minor flood33 ft
Moderate flood36 ft
Major flood38 ft
The past week
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What floods at each level
- 55 ft
This was the st. Patricks day flood of 1936. This crest occurred before flood control projects were in place at numerous locations upstream.
- 40.5 ft
Lock walls overtopped.
- 37 ft
Navigation suspended, lock out of service.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 17, 1936 | 55 ft | — |
| Dec 30, 1942 | 47.9 ft | — |
| Jun 23, 1972 | 43.1 ft | — |
More on Ohio River
DownstreamOhio River at Wellsville
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