About this river
Monongahela River is a 24.4 mile river near Morgantown Adventure Outfitters in West Virginia. Streamflow is measured at the USGS gauge Monongahela River near Masontown, PA (site 03072655). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1939 to 2026
Monongahela River typically runs highest in March, at a median 12,500 cfs, and lowest in September, at 1,590 cfs. The highest flow on record for any single day is 154,000 cfs, in 1986.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 8,990 | 4,510 to 16,600 | |
| February | 11,200 | 6,030 to 19,600 | |
| March | 12,500 | 7,480 to 21,200 | |
| April | 9,380 | 5,200 to 17,000 | |
| May | 6,510 | 3,290 to 12,400 | |
| June | 3,295 | 1,700 to 6,525 | |
| July | 2,330 | 1,320 to 4,630 | |
| August | 1,910 | 1,120 to 3,940 | |
| September | 1,590 | 961 to 2,750 | |
| October | 1,890 | 1,180 to 3,340 | |
| November | 4,070 | 2,210 to 8,050 | |
| December | 8,330 | 4,290 to 14,500 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 88 years of record. Statistics published by the US Geological Survey for Monongahela River near Masontown, PA (site 03072655). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
8 mapped launches sit in the mapped area of Monongahela River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Fairmont State Route 310 BridgeMonongahela RiverPublic
- PalatineMonongahela RiverPublic
- Pricketts Fort State ParkMonongahela RiverPublic
- Pricketts Fort State ParkMonongahela RiverPublic
- Monongahela RiverMonongahela RiverPublic
- MorgantownMonongahela RiverPublic
- Edith B. Barill Riverfront ParkMonongahela RiverPublic
- Point MarionMonongahela RiverPublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Monongahela River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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