Monongahela River at Point Marion Lock and Dam (lower pool), PA
River level and flood forecast · Fayette County
Normal13.9 ftas of Mon 3:15 PM
The river is 12.1 ft below flood stage (26 ft).
Forecast to rise to 14.3 ft Mon 8 PM, below the 26 ft flood stage.
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 1:57 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 28 ft |
| Moderate flood stage | 27 ft |
| Flood stage | 26 ft |
| Action stage | 20 ft |
| Record crest (January 19, 1996) | 34 ft |
What floods at each level
From the National Weather Service, highest first.
- 45 ftFlood waters extend to near the railroad tracks.
- 44.4 ftWater reaches the flood of record...Election Day Flood event...November 5, 1985.
- 40 ftFlood waters extend to main and cheat streets.
- 35 ftFlood waters reach portions of Fourth, Water, Second, Broadway, and Home Streets in Point Marion.
- 34 ftFlood waters reach homes on Water Street, and the lock walls are overtopped at Point Marion Locks and Dam.
- 30.36 ftWater levels reach the flood levels of the flood of July 29, 2017.
- 29.7 ftThe first floors of about twenty-five homes in Point Marion are flooded, and backwater flooding occurs along Camp Run.
- 29 ftThe 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 ftWater reaches the level reached on March 4, 2015.
- 27.5 ftFlood waters reach the access road to Point Marion Locks and Dam about 0.8 of a mile below the dam.
- 26 ftBasement flooding begins in some homes and businesses in Point Marion.
Highest crests on record
- 34 ft — January 19, 1996
- 33.5 ft — March 7, 1967
- 32.3 ft — February 19, 2000
- 31.8 ft — March 5, 1963
- 30.3 ft — July 29, 2017
Recent crests: 26.9 ft (March 1, 2021) · 18.99 ft (February 8, 2019) · 22.4 ft (September 28, 2018) · 27.66 ft (February 17, 2018) · 30.3 ft (July 29, 2017)
Up and down the river, and nearby
- UpstreamMonongahela River at Morgantown Lock and Dam, WV
- DownstreamMonongahela River at Grays Landing Lock and Dam, PA
- Cheat River below Lake Lynn, PA
- Dunkard Creek at Shannopin, PA
- Deckers Creek at Morgantown, WV
- Monongahela River at Hilderbrand Lock and Dam, WV
- Big Sandy Creek at Rockville, WV
- Monongahela River at Opekiska Lock and Dam, WV
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (PMRP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.