Monongahela River Flow Today
As of October 3, 2026 at 3:45 AM, the Monongahela River is flowing at 5,210 cfs near Masontown, PA — 376% of normal for the date and down 30% in 24 hours. 1 of 2 USGS gauges reported in the last 3 days. ❤ Favorite
Monongahela River map
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Monongahela River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Masontown, the Monongahela River is running 5,210 cfs — 376% of normal, down 30% since yesterday. Along the river, 1 of 1 reporting gauges are above normal (the typical gauge is at 376% of normal).
In the last 24 hours the river is dropping at Masontown (-30%).
How the Monongahela River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Masontown765 ft 5,210 cfs376%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Monongahela River streamgauge, placed by its own percent of normal. The line is the typical gauge (376%).
Monongahela River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Monongahela River Near Masontown PA
Oct 3, 3:45 AM · USGS 03072655 |
5,210 cfs | 376% | -30% | 10.99 ft | 10.0 ft below | 765 ft |
|
Monongahela River At Elizabeth PA
Last reported Apr 11 · USGS 03075070 |
21,100 cfs | · | · | 8.59 ft | flood 20.0 ft | 727 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Dams & reservoirs on the Monongahela River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Monongahela River streamflow over time
Daily total flow across every monitored gauge on the river (this total last updated 2024-04-11; the live gauge readings above are current).
Maximum streamflow by year
Monongahela River
The Monongahela River is a 128-mile-long river located in West Virginia and Pennsylvania. It was named after the Monongahela people who previously inhabited the area. The river played a significant role in the early industrialization of the United States, with coal being transported downstream to Pittsburgh. Today, the river is still vital for transportation, as well as for hydroelectric power generation. The river has several reservoirs and dams, including the Youghiogheny Dam and Reservoir and the Morgantown Lock and Dam. These structures help regulate water levels and provide recreational opportunities such as fishing, boating, and swimming. The Monongahela River is also important for agriculture, assisting in irrigation for crops in the surrounding areas.
Fishing near the Monongahela River
About the Monongahela River
How is the Monongahela River flowing right now?
As of October 3, 2026, the Monongahela River is flowing at 5,210 cfs near Masontown, PA, about 376% of normal for the date. Every gauge’s live reading is in the table above.
Is the Monongahela River running high or low?
The typical gauge on the Monongahela River is at 376% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Monongahela River?
The National Weather Service sets flood stages for Masontown (21.0 ft), Elizabeth (20.0 ft). The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.