Major Flood
28 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
27 ft
Minor Flood
26 ft
Action Stage
20 ft
What Floods at Each Level
45 ft
Flood waters extend to near the railroad tracks.
44.4 ft
Water reaches the flood of record...Election Day Flood event...November 5, 1985.
40 ft
Flood waters extend to main and cheat streets.
35 ft
Flood waters reach portions of Fourth, Water, Second, Broadway, and Home Streets in Point Marion.
34 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.
29.7 ft
The first floors of about twenty-five homes in Point Marion are flooded, and backwater flooding occurs along Camp Run.
29 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.
27.5 ft
Flood waters reach the access road to Point Marion Locks and Dam about 0.8 of a mile below the dam.
26 ft
Basement flooding begins in some homes and businesses in Point Marion.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jan 18, 1996 | 34 ft | — |
| Mar 6, 1967 | 33.5 ft | — |
| Feb 19, 2000 | 32.3 ft | 125,000 cfs |
About This Gauge
USGS Site
NWS LID
PMRP1
River
Monongahela River
County
Fayette, PA
Coordinates
39.7270°N, 79.9114°W
Get Flood Alerts for Monongahela River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Monongahela River at Point Marion Lock and Dam (lower pool)?
The Monongahela River at Point Marion Lock and Dam (lower pool) gauge is maintained by USGS (site 03063000) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Monongahela River at Point Marion Lock and Dam (lower pool)?
The NWS-defined flood stage for Monongahela River at Point Marion Lock and Dam (lower pool) is 26 feet. Action stage begins at 20 feet. Moderate flooding starts at 27 feet, and major flooding at 28 feet.
How do I get alerts when Monongahela River rises?
Download StormCast free on Google Play, go to River Gauges, and add Monongahela River at Point Marion Lock and Dam (lower pool) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Monongahela River at Point Marion Lock and Dam (lower pool) gauge located?
The gauge is located in Fayette County, Pennsylvania at coordinates 39.7270°N, 79.9114°W. USGS site number: 03063000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Monongahela River
On This River
Upstream: Monongahela River at Morgantown Lock and Dam
Downstream: Monongahela River at Grays Landing Lock and Dam
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey, Observations courtesy of U.S. Army Corps of Engineers
- The above river forecast includes future rainfall/snowmelt. Forecast stages may be different if the actual rainfall/snowmelt is different than the forecast rainfall/snowmelt.
- Stage may be affected by ice.