Monongahela River at Charleroi water level

Name: Monongahela River at Charleroi 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, Monongahela River, Pennsylvania, United States

Directions

High for mid-October

Water level

10.77ft Down 0.39 ft over the last 24 hours

Measured Oct 18, 2026, 09:00 PM EDT (12 min 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 11.00 ft by Sunday, October 18 at 08:00 PM. Issued Sunday, October 18 at 08:43 AM by NOAA National Weather Service.

What this means

The gauge at Monongahela River at Charleroi shows 10.77 ft, above normal for mid-October.

That puts it 0.63 ft above the median of 10.14 ft for mid-October, based on 9 years of readings. It is 17.23 ft below the flood stage of 28.00 ft. A year ago it stood at 6.97 ft (+3.80 ft).

The level is falling, down 0.39 ft over the past 24 hours. The forecast expects the river to rise to 11.00 ft by Sunday, October 18 at 08:00 PM. Over the past 30 days it has moved between 7.08 ft and 12.63 ft.

Compared with 9 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 10.14 ft0.63 ft above the median for this date
Normal for this date: 6.83 ft – 11.09 ft8 years in 10 fall in this range (9 years of records)
Same day last year: 6.97 ft+3.80 ft
Lowest and highest in 30 days: 7.08 ft – 12.63 ft
Lowest and highest in 12 months: 6.80 ft – 21.47 ft
Highest on record: 42.70 ftNovember 5, 1985
Forecast peak: 11.00 ftSunday, October 18 at 08:00 PM

What the stage means on the water

Fast, high water is not the time for casual paddling. Strainers, debris and cold water make an unplanned swim dangerous.

The National Weather Service puts flood stage for this gauge at 28.00 ft, still 17.23 ft away.

What happens at each level

42.70 ft: Water reaches the flood of record...Election Day Flood event...November 5, 1985.
39.90 ft: Water reaches the level of the ST. Patricks Day Flood and crest on March 18, 1936.
37.00 ft: 50 homes are flooded in Roscoe. Flooding also occurs in the towns of Elco, Allenport, and Stockdale.
36.00 ft: Several homes are flooded on Lynn Street in Roscoe.
35.90 ft: Water levels reach the flood levels of the flood of July 30, 2017.
35.00 ft: Backwater flooding in Monongahela along Pigeon Creek causes flood waters up to 4.5 feet in businesses in the lowest building in Penos Plaza and up to 6 feet in Armstrong Park. Backwater flooding spreads upstream along Pigeon Creek to the Route 43 overpass on Park Avenue.
34.10 ft: Division of American Chain and Cable Co. In Monessen floods.
33.15 ft: Water reaches the level reached on March 5, 2015.
33.00 ft: Flooding is widespread in Fayette City.
32.00 ft: Flooding occurs on Connellsville, Fourth, Cook, and Main Streets in Fayette City
31.60 ft: Lock walls overtopped.
30.00 ft: Backwater flooding along Pigeon Creek in Monongahela, begins to flood the lowest building in Penos Plaza, Armstrong Park, and closes Wall Street Bridge across Pigeon Creek.
10.77 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: 28 %.

Rank	Level	Date
1	42.70 ft	November 5, 1985
2	41.10 ft	March 9, 1967
3	39.90 ft	March 18, 1936
4	39.80 ft	January 20, 1996
5	39.40 ft	March 5, 1963
6	39.20 ft	June 4, 1941
7	38.50 ft	February 19, 2000
8	38.00 ft	October 16, 1954
9	37.20 ft	August 6, 1956
10	36.10 ft	March 28, 1963

Weather at the gauge

The forecast is not available right now.

Sunrise 07:35 AM Sunset 06:35 PM Daylight 11 hr, 1 min First quarter 54%

Map

Other gauges on the Monongahela River

Gauge	Level	Compared with normal	24 hours	Distance
Monongahela River at Opekiska Lock & Dam (Upper)River gauge, Monongahela River	9.13 ft	No reference yet	−0.57 ft	41 mi
Monongahela River at Opekiska Lock & Dam (Lower)River gauge, Monongahela River	10.18 ft	No reference yet	−0.41 ft	41 mi
Monongahela River at Hildebrand Lock & Dam (Upper)River gauge, Monongahela River	9.52 ft	No reference yet	−0.27 ft	40 mi
Monongahela River at Hildebrand Lock & Dam (Lower)River gauge, Monongahela River	10.08 ft	No reference yet	+0.53 ft	40 mi
Monongahela River at Morgantown Lock & Dam (Upper)River gauge, Monongahela River	10.13 ft	No reference yet	+0.85 ft	37 mi
Monongahela River at Morgantown Lock & Dam (Lower)River gauge, Monongahela River	10.45 ft	Below flood stage	+0.23 ft	37 mi
Monongahela River near MasontownRiver gauge, Monongahela River	13.27 ft	Below flood stage	−0.14 ft	22 mi
Monongahela River at BraddockRiver gauge, Monongahela River	14.28 ft	High	±0	17 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Monongahela R at L&D4 Upper Pool at CharleroiRiver gauge, Monongahela R	10.33 ft	High	+0.26 ft	0.5 mi
Pike Run at GranvilleRiver gauge, Pike Run	1.09 ft	Very high	−0.25 ft	5.8 mi
Youghiogheny River at SutersvilleRiver gauge, Youghiogheny River	4.90 ft	Below flood stage	−0.34 ft	8 mi
Monongahela R at Maxwell L&D Upper Pool @ MaxwellRiver gauge, Monongahela R	9.91 ft	Normal	−0.38 ft	11 mi
Monongahela R @ Maxwell L&D (lower pool) @ MaxwellRiver gauge	11.54 ft	Very high	−0.06 ft	11 mi
Redstone Creek at WaltersburgRiver gauge, Redstone Creek	62.4 cfs	Normal	−10.4 cfs	14 mi
Chartiers Creek at CanonsburgRiver gauge, Chartiers Creek	2.21 ft	Very high	−0.09 ft	17 mi
Monongahela R at L&D2 Lower Pool at BraddockRiver gauge, Monongahela R	17.58 ft	High	−0.70 ft	17 mi

Questions and answers

How does the Monongahela River at Charleroi compare with last year?

It is 3.80 ft higher than on the same day last year, when the reading was 6.97 ft.

What is flood stage for the Monongahela River at Charleroi?

The official flood stage is 28.00 ft. The level is currently 17.23 ft below it.

What is a normal level for the Monongahela River at Charleroi in mid-October?

The median for mid-October is 10.14 ft. In 8 years out of 10 the reading falls between 6.83 ft and 11.09 ft, based on 9 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 at Charleroi today?

On Oct 18, 2026, 09:00 PM EDT, the water level was 10.77 ft. Down 0.39 ft over the last 24 hours.

Is Monongahela River at Charleroi rising or falling?

Down 0.39 ft over the last 24 hours. Down 1.53 ft over the last 7 days.

Is the level of Monongahela River at Charleroi normal?

High for mid-October. Compared with 9 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:03075000 (Agency page)
Coordinates: 40.14947, -79.90143 (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	10.77 ft	2026-10-19 01:00	Provisional

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How to cite

U.S. Geological Survey: Monongahela River at Charleroi (usgs:03075000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/monongahela-river-at-charleroi

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