Monongahela River (lower pool) near Masontown water level
River gauge, Monongahela River (lower pool), Pennsylvania, United States
Right now
Very high for mid-October
Water level
History
20252026
What this means
High water at Monongahela River (lower pool) near Masontown: the latest reading is 10.83 ft, well above normal for mid-October.
The median for mid-October is 9.89 ft, based on 11 years of readings, so the river stage is 0.94 ft above typical. On the same day last year the reading was 9.70 ft, a difference of +1.13 ft.
It is still going down, by 1.07 ft over the past 24 hours. The 30-day range is 9.58 ft – 12.50 ft.
That stands out in fall, when many rivers are usually near their lowest.
Compared with 11 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 9.89 ft0.94 ft above the median for this date
- Normal for this date
- 9.38 ft – 10.55 ft8 years in 10 fall in this range (11 years of records)
- Same day last year
- 9.70 ft+1.13 ft
- Lowest and highest in 30 days
- 9.58 ft – 12.50 ft
- Lowest and highest in 12 months
- 9.33 ft – 19.66 ft
Staying safe in high water
Flood stage is only the first threshold. Above it the National Weather Service sets moderate and major flood stages, and the forecast crest tells you which of those the river is expected to reach.
Upstream gauges on the same river usually show a rise first, which is a useful early warning.
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Monongahela River near MasontownRiver gauge, Monongahela River | 12.21 ft | Below flood stage | −0.82 ft | 0.1 mi |
| Dunkard Creek at ShannopinRiver gauge, Dunkard Creek | 2.10 ft | Below flood stage | −0.15 ft | 5.3 mi |
| Monongahela R L&D8 (Upper Pool) @ Point MarionRiver gauge | 9.85 ft | High | −0.05 ft | 7 mi |
| Monongahela R L&D8 (Lower Pool) @ Point MarionRiver gauge | 12.65 ft | Very high | −1.18 ft | 7 mi |
| Cheat Lake near StewartstownLake, Cheat Lake | 869.05 ft | High | +0.19 ft | 8 mi |
| South Fork Tenmile Creek at JeffersonRiver gauge, South Fork Tenmile Creek | 3.17 ft | Below flood stage | −0.07 ft | 10 mi |
| Monongahela R @ Maxwell L&D (lower pool) @ MaxwellRiver gauge | 10.79 ft | High | −0.68 ft | 12 mi |
| Monongahela R at Maxwell L&D Upper Pool @ MaxwellRiver gauge, Monongahela R | 10.02 ft | High | −0.24 ft | 12 mi |
Questions and answers
Is the Monongahela River (lower pool) near Masontown higher than last year?
Yes, it is 1.13 ft higher than on the same day last year, when the reading was 9.70 ft.
What is a normal level for the Monongahela River (lower pool) near Masontown in mid-October?
The median for mid-October is 9.89 ft. In 8 years out of 10 the reading falls between 9.38 ft and 10.55 ft, based on 11 years of records.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Monongahela River (lower pool) near Masontown today?
On Oct 20, 2026, 12:15 AM EDT, the water level was 10.83 ft. Down 1.07 ft over the last 24 hours.
Is Monongahela River (lower pool) near Masontown rising or falling?
Down 1.07 ft over the last 24 hours. Down 0.21 ft over the last 7 days.
Is the level of Monongahela River (lower pool) near Masontown normal?
Very high for mid-October. Compared with 11 years of daily readings for this time of year.
How often is this data updated?
The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:03072656(Agency page)- Coordinates
39.82639, -79.92083(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 10.83 ft | 2026-10-20 04:15 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
U.S. Geological Survey: Monongahela River (lower pool) near Masontown (usgs:03072656). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/monongahela-river-lower-pool-near-masontown
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer