River gauges›Pennsylvania
RIVER GAUGE · MONONGAHELA RIVER

Monongahela River at Braddock Lock and Dam

Allegheny County, Pennsylvania

Water level14.78 ft
Flow279 cfs
Last readingSep 16, 2026, 5:13 PM UTC (last recorded)
Action18.2 ft
Minor flood22 ft
Moderate flood23 ft
Major flood24 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Mar 17, 193635.3 ft300,000 cfs
Jun 23, 197229.7 ft—
Jan 19, 199629.1 ft230,000 cfs

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