River gauges›Pennsylvania
RIVER GAUGE · CASSELMAN RIVER

Casselman River at Markleton

Somerset County, Pennsylvania

Water level1.43 ft
Flow223 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action9 ft
Minor flood9 ft

The past week

Loading chart…

Highest crests on record

DateLevelFlow
Mar 16, 193616.4 ft35,800 cfs
Jan 18, 199613.26 ft45,000 cfs
May 12, 202511.63 ft—

More on Casselman River

Get an alert when Casselman 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