Monongahela River at Maxwell Lock and Dam (lower pool), PA
River level and flood forecast · Fayette County
Normal11.4 ftas of Mon 3:30 PM
The river is 20.6 ft below flood stage (32 ft).
Forecast to rise to 12.1 ft Tue 2 AM, below the 32 ft flood stage.
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 1:58 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 36 ft |
| Moderate flood stage | 34 ft |
| Flood stage | 32 ft |
| Action stage | 23.5 ft |
| Record crest (November 5, 1985) | 44.4 ft |
What floods at each level
From the National Weather Service, highest first.
- 40.5 ftFlooding begins on the lower side of Main Street in Brownsville
- 35 ftHomes flood on Middle Street, Liberty Street, Water Street, Broadway Street, River Street, and Axton Street in West Brownsville.
- 33.5 ftLock walls overtopped.
- 33.32 ftWater levels reach the flood levels of the flood of July 30, 2017.
- 32 ftLow lying areas of West Brownsville begin to flood.
- 31 ftNavigation suspended, lock out of service.
- 28 ftMiddle Street and Liberty Street in West Brownsville are closed due to storm drain system backups, and several homes have basement flooding.
- 27 ftBrownsville Road at Albany Tunnel (near Assad Iron and Metal) in Fayette County is closed due to high water.
Highest crests on record
- 44.4 ft — November 5, 1985
- 38.2 ft — March 7, 1967
- 38 ft — March 5, 1963
- 37.8 ft — January 20, 1996
- 36.5 ft — February 19, 2000
Recent crests: 20.68 ft (February 8, 2019) · 30.81 ft (February 17, 2018) · 33.32 ft (July 30, 2017) · 21.5 ft (March 15, 2015) · 30.89 ft (March 5, 2015)
Up and down the river, and nearby
- UpstreamMonongahela River at Grays Landing Lock and Dam, PA
- DownstreamMonongahela River at Charleroi Lock and Dam, PA
- Tenmile Creek above Jefferson, PA
- Redstone Creek at Waltersburg, PA
- Dunkard Creek at Shannopin, PA
- Monongahela River at Elizabeth Lock and Dam, PA
- Youghiogheny River at Sutersville, PA
- Monongahela River at Point Marion Lock and Dam (lower pool), PA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MAXP1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.