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Monongahela River (lower pool) near Masontown water level

River gauge, Monongahela River (lower pool), Pennsylvania, United States

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Right now

Very high for mid-October

Water level

10.78ft Down 0.46 ft over the last 24 hours

9.5 10.0 10.5

History

History
101112ftOct 16Oct 17Oct 18Oct 19Oct 20101112ftOct 16Oct 18Oct 20
101520ftSep 21Sep 28Oct 5Oct 13Oct 20101520ftSep 21Oct 5Oct 20
10152025ftOct 2025Jan 2026Apr 2026Jul 2026Oct 202610152025ftOct 2025Apr 2026Oct 2026
10152025ftJanMarMayJulSepNov202610152025ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

High water at Monongahela River (lower pool) near Masontown: the latest reading is 10.78 ft, well above normal for mid-October.

The median for mid-October is 9.89 ft, based on 11 years of readings, so the river stage is 0.89 ft above typical. On the same day last year the reading was 9.70 ft, a difference of +1.08 ft.

It is still going down, by 0.46 ft over the past 24 hours. The 30-day range is 9.58 ft – 12.50 ft.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 11 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
9.89 ft0.89 ft above the median for this date
Normal for this date
9.38 ft – 10.55 ft8 years in 10 fall in this range (11 years of records)
Same day last year
9.70 ft+1.08 ft
Lowest and highest in 30 days
9.58 ft – 12.50 ft
Lowest and highest in 12 months
9.33 ft – 19.66 ft

Staying safe in high water

Flood stage is only the first threshold. Above it the National Weather Service sets moderate and major flood stages, and the forecast crest tells you which of those the river is expected to reach.

Upstream gauges on the same river usually show a rise first, which is a useful early warning.

Weather at the gauge

No rain in the last 3 days.

20 Tue 66° 35° – Wind 9 mph
21 Wed 66° 37° – Wind 7 mph
22 Thu 63° 39° – Wind 6 mph
23 Fri 66° 42° – Wind 5 mph
24 Sat 68° 42° – Wind 4 mph
25 Sun 69° 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 River near MasontownRiver gauge, Monongahela River 12.06 ft Below flood stage −0.31 ft 0.1 mi
Dunkard Creek at ShannopinRiver gauge, Dunkard Creek 2.04 ft Below flood stage −0.12 ft 5.3 mi
Monongahela R L&D8 (Upper Pool) @ Point MarionRiver gauge 10.19 ft Very high +0.27 ft 7 mi
Monongahela R L&D8 (Lower Pool) @ Point MarionRiver gauge 12.31 ft Very high −0.47 ft 7 mi
Cheat Lake near StewartstownLake, Cheat Lake 869.32 ft Very high +0.19 ft 8 mi
South Fork Tenmile Creek at JeffersonRiver gauge, South Fork Tenmile Creek 3.15 ft Below flood stage −0.04 ft 10 mi
Monongahela R @ Maxwell L&D (lower pool) @ MaxwellRiver gauge 10.87 ft High −0.83 ft 12 mi
Monongahela R at Maxwell L&D Upper Pool @ MaxwellRiver gauge, Monongahela R 9.97 ft High −0.30 ft 12 mi

Questions and answers

Is the Monongahela River (lower pool) near Masontown higher than last year?

Yes, it is 1.08 ft higher than on the same day last year, when the reading was 9.70 ft.

What is a normal level for the Monongahela River (lower pool) near Masontown in mid-October?

The median for mid-October is 9.89 ft. In 8 years out of 10 the reading falls between 9.38 ft and 10.55 ft, based on 11 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 River (lower pool) near Masontown today?

On Oct 20, 2026, 01:45 PM EDT, the water level was 10.78 ft. Down 0.46 ft over the last 24 hours.

Is Monongahela River (lower pool) near Masontown rising or falling?

Down 0.46 ft over the last 24 hours. Down 0.26 ft over the last 7 days.

Is the level of Monongahela River (lower pool) near Masontown normal?

Very high for mid-October. Compared with 11 years of daily readings for this time of year.

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:03072656 (Agency page)
Coordinates
39.82639, -79.92083 (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

ParameterLast valueTime (UTC)Quality
Water level 10.78 ft 2026-10-20 17:45 Provisional

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How to cite

U.S. Geological Survey: Monongahela River (lower pool) near Masontown (usgs:03072656). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/monongahela-river-lower-pool-near-masontown

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.