River gauges›Pennsylvania
RIVER GAUGE · MONONGAHELA RIVER

Monongahela River at Point Marion Lock and Dam (lower pool)

Fayette County, Pennsylvania

Water level11.20 ft
Flow5,190 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action20 ft
Minor flood26 ft
Moderate flood27 ft
Major flood28 ft

The past week

Loading chart…

What floods at each level

Highest crests on record

DateLevelFlow
Jan 18, 199634 ft—
Mar 6, 196733.5 ft—
Feb 19, 200032.3 ft125,000 cfs

More on Monongahela River

Get an alert when Monongahela River rises

Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

A river gauge in the StormCast app

← All Pennsylvania gauges · Search another river