Monongahela R L&D8 (Lower Pool) @ Point Marion water level

Name: Monongahela R L&D8 (Lower Pool) @ Point Marion 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, Pennsylvania, United States

Directions

Very high for mid-October

Water level

12.43ft Down 0.81 ft over the last 24 hours

Measured Oct 20, 2026, 11:15 AM EDT (1 hour ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Forecast Minor flood stage

The forecast expects the river to rise to 13.00 ft by Tuesday, October 20 at 08:00 PM. Issued Monday, October 19 at 09:46 AM by NOAA National Weather Service.

What this means

The gauge at Monongahela R L&D8 (Lower Pool) @ Point Marion shows 12.43 ft, well above normal for mid-October.

The median for mid-October is 9.88 ft, based on 10 years of readings, so the river stage is 2.55 ft above typical. It is 13.57 ft below the flood stage of 26.00 ft. On the same day last year the reading was 9.84 ft, a difference of +2.59 ft.

The level is falling, down 0.81 ft over the past 24 hours. The forecast expects the river to rise to 13.00 ft by Tuesday, October 20 at 08:00 PM. Over the past 30 days it has moved between 9.94 ft and 14.44 ft.

Compared with 10 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 9.88 ft2.55 ft above the median for this date
Normal for this date: 9.56 ft – 12.27 ft8 years in 10 fall in this range (10 years of records)
Same day last year: 9.84 ft+2.59 ft
Lowest and highest in 30 days: 9.94 ft – 14.44 ft
Lowest and highest in 12 months: 9.66 ft – 20.23 ft
Highest on record: 34.00 ftJanuary 19, 1996
Forecast peak: 13.00 ftTuesday, October 20 at 08:00 PM

High water at Monongahela R L&D8 (Lower Pool) @ Point Marion

The National Weather Service splits flooding into minor, moderate and major flood stage, each tied to what starts to go under water at this particular gauge. Minor flooding usually means low roads, parks and farmland; major flooding reaches homes and businesses.

Keep children and dogs well back from the edge, and stay off flooded footpaths and towpaths.

What happens at each level

45.00 ft: Flood waters extend to near the railroad tracks.
44.40 ft: Water reaches the flood of record...Election Day Flood event...November 5, 1985.
40.00 ft: Flood waters extend to main and cheat streets.
35.00 ft: Flood waters reach portions of Fourth, Water, Second, Broadway, and Home Streets in Point Marion.
34.00 ft: Flood waters reach homes on Water Street, and the lock walls are overtopped at Point Marion Locks and Dam.
30.36 ft: Water levels reach the flood levels of the flood of July 29, 2017.
29.70 ft: The first floors of about twenty-five homes in Point Marion are flooded, and backwater flooding occurs along Camp Run.
29.00 ft: The locks go out of service at the Point Marion Locks and Dam, and navigation is suspended. Flood waters reach Water Street near the intersection with Penn Street in Point Marion.
27.97 ft: Water reaches the level reached on March 4, 2015.
27.50 ft: Flood waters reach the access road to Point Marion Locks and Dam about 0.8 of a mile below the dam.
26.00 ft: Basement flooding begins in some homes and businesses in Point Marion.
12.43 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 15 %.

Rank	Level	Date
1	34.00 ft	January 19, 1996
2	33.50 ft	March 7, 1967
3	32.30 ft	February 19, 2000
4	31.80 ft	March 5, 1963
5	30.30 ft	July 29, 2017
6	30.20 ft	March 20, 1963
7	29.70 ft	May 24, 1968
8	27.97 ft	March 4, 2015
9	27.66 ft	February 17, 2018
10	27.60 ft	January 26, 1978

Weather at the gauge

No rain in the last 3 days.

20 Tue 66° 34° – Wind 8 mph

21 Wed 67° 37° – Wind 6 mph

22 Thu 63° 38° – Wind 6 mph

23 Fri 66° 42° – Wind 5 mph

24 Sat 68° 42° – Wind 4 mph

25 Sun 68° 44° – Wind 5 mph

26 Mon 68° 47° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:36 AM Sunset 06:35 PM Daylight 10 hr, 59 min Waxing gibbous 70%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Monongahela R L&D8 (Upper Pool) @ Point MarionRiver gauge	10.03 ft	Very high	+0.07 ft	0.1 mi
Cheat Lake near StewartstownLake, Cheat Lake	869.21 ft	Very high	+0.08 ft	3.0 mi
Dunkard Creek at ShannopinRiver gauge, Dunkard Creek	2.05 ft	Below flood stage	−0.11 ft	3.9 mi
Monongahela River near MasontownRiver gauge, Monongahela River	12.10 ft	Below flood stage	−0.53 ft	7 mi
Monongahela River (lower pool) near MasontownRiver gauge, Monongahela River (lower pool)	10.71 ft	Very high	−0.84 ft	7 mi
Deckers Creek at MorgantownRiver gauge, Deckers Creek	0.66 ft	Below flood stage	−0.05 ft	7 mi
Monongahela River at Morgantown Lock & Dam (Lower)River gauge, Monongahela River	10.47 ft	Below flood stage	+0.08 ft	8 mi
Big Sandy Creek at RockvilleRiver gauge, Big Sandy Creek	4.62 ft	Below flood stage	−0.12 ft	13 mi

Questions and answers

Is Monongahela R L&D8 (Lower Pool) @ Point Marion higher than last year?

Yes, it is 2.59 ft higher than on the same day last year, when the reading was 9.84 ft.

What is flood stage for Monongahela R L&D8 (Lower Pool) @ Point Marion?

The official flood stage is 26.00 ft. The level is currently 13.57 ft below it.

What is a normal level for Monongahela R L&D8 (Lower Pool) @ Point Marion in mid-October?

The median for mid-October is 9.88 ft. In 8 years out of 10 the reading falls between 9.56 ft and 12.27 ft, based on 10 years of records.

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 Monongahela R L&D8 (Lower Pool) @ Point Marion today?

On Oct 20, 2026, 11:15 AM EDT, the water level was 12.43 ft. Down 0.81 ft over the last 24 hours.

Is Monongahela R L&D8 (Lower Pool) @ Point Marion rising or falling?

Down 0.81 ft over the last 24 hours. Down 0.67 ft over the last 7 days.

Is the level of Monongahela R L&D8 (Lower Pool) @ Point Marion normal?

Very high for mid-October. Compared with 10 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:03063000 (Agency page)
Coordinates: 39.72697, -79.91143 (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	12.43 ft	2026-10-20 15:15	Provisional

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How to cite

U.S. Geological Survey: Monongahela R L&D8 (Lower Pool) @ Point Marion (usgs:03063000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/monongahela-r-l-and-d8-lower-pool-point-marion

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