Casselman River at Markleton water level

Name: Casselman River at Markleton water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Casselman River, Pennsylvania, United States

Directions

Below flood stage

Water level

1.96ft Down 0.06 ft over the last 24 hours

Measured Oct 17, 2026, 03:30 PM EDT (51 min ago)

Flow: 450 cfs
Water temperature: 58 °F

History

7 days

Water level Minor flood stage

What this means

The gauge at Casselman River at Markleton reads 1.96 ft, a normal level.

It is 7.04 ft below the flood stage of 9.00 ft.

The level is falling, down 0.06 ft over the past 24 hours. Over the past 30 days it has moved between 1.96 ft and 2.07 ft.

Fall is often low-water season on rivers, until steadier rain returns. The sensor also reports a water temperature of 58 °F.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 16.40 ftMarch 17, 1936

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 9.00 ft, still 7.04 ft away.

Highest crests on record

Rank	Level	Date
1	16.40 ft	March 17, 1936
2	13.26 ft	January 19, 1996
3	11.63 ft	May 13, 2025

Weather at the gauge

Rain in the last 3 days: 0.08 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 50° 38° – Wind 13 mph

18 Sun 56° 35° – Wind 6 mph

19 Mon 62° 37° – Wind 7 mph

20 Tue 61° 39° – Wind 9 mph

21 Wed 62° 39° – Wind 5 mph

22 Thu 60° 37° – Wind 9 mph

23 Fri 60° 41° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:30 AM Sunset 06:36 PM Daylight 11 hr, 6 min First quarter 43%

Map

Other gauges on the Casselman River

Gauge	Level	Compared with normal	24 hours	Distance
Casselman River at GrantsvilleRiver gauge, Casselman River	1.44 ft	Below flood stage	−0.03 ft	12 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Laurel Hill Creek at UrsinaRiver gauge, Laurel Hill Creek	1.74 ft	Below flood stage	+0.19 ft	5.6 mi
Youghiogheny River below ConfluenceRiver gauge, Youghiogheny River	3.42 ft	Below flood stage	+0.08 ft	8 mi
Youghiogheny River at Youghiogheny River DamRiver gauge, Youghiogheny River	633 cfs	Normal	−16.0 cfs	8 mi
Youghiogheny River Lake at Dam near ConfluenceReservoir, Youghiogheny River Lake	1,440.23 ft	Below flood stage	+0.03 ft	9 mi
Youghiogheny River at OhiopyleRiver gauge, Youghiogheny River	2.83 ft	Below flood stage	+0.08 ft	14 mi
Bear Creek at FriendsvilleRiver gauge, Bear Creek	70.6 cfs	Very high	−3.3 cfs	17 mi
Youghiogheny River at FriendsvilleRiver gauge, Youghiogheny River	500 cfs	Very high	−363.0 cfs	17 mi
Savage River near BartonRiver gauge, Savage River	37.7 cfs	High	−5.9 cfs	21 mi

Questions and answers

What is flood stage for the Casselman River at Markleton?

The official flood stage is 9.00 ft. The level is currently 7.04 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Casselman River at Markleton today?

On Oct 17, 2026, 03:30 PM EDT, the water level was 1.96 ft. Down 0.06 ft over the last 24 hours.

Is Casselman River at Markleton rising or falling?

Down 0.06 ft over the last 24 hours.

Is the level of Casselman River at Markleton normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Casselman River at Markleton?

The highest level on record is 16.40 ft on March 17, 1936.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:03079000 (Agency page)
Coordinates: 39.85992, -79.22883 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	1.96 ft	2026-10-17 19:30	Provisional
Flow	450 cfs	2026-10-17 19:30	Provisional
Water temperature	58 °F	2026-10-17 19:30	Provisional

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How to cite

U.S. Geological Survey: Casselman River at Markleton (usgs:03079000). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/casselman-river-at-markleton

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer