Monongahela River near Masontown, PA
Is Monongahela River near Masontown, PA flooding right now?
Monongahela River near Masontown, PA measured 11.18 ft on 2026-09-11 01:16:00 UTC. That observation was 9.8 ft below its 21 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
11.18 ft
Streamflow
5,960 cfs
Minor flooding here begins at 21 ft, with major flooding at 27 ft. The highest crest on record was 36 ft on Sun, Jul 1, 1888.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 15 ft | 3.8 ft below |
| Minor flood | 21 ft | 9.8 ft below |
| Moderate flood | 25 ft | 13.8 ft below |
| Major flood | 27 ft | 15.8 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 36 ft | 1888-07-01 |
| 30.5 ft | 1985-11-05 |
| 28.4 ft | 1936-03-18 |
| 25.8 ft | 1996-01-20 |
| 24.5 ft | 2000-02-19 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Monongahela River (lower pool) near Masontown, PA | 0.1 mi | Fayette County |
| Monongahela River at Greensboro, PA | 2.6 mi | Greene County |
| Dunkard Creek at Shannopin, PA | 5.2 mi | Greene County |
| Monongahela River L&D8 (Upper Pool) @ Point Marion, PA | 6.7 mi | Greene County |
| Monongahela River L&D8 (Lower Pool) @ Point Marion, PA | 6.8 mi | Fayette County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.