Tionesta Creek Reservoir at Tionesta Creek Dam water level
Reservoir, Tionesta Creek Reservoir, Pennsylvania, United States
Right now
Low for late October
Surface elevation
History
202120222023202420252026
What this means
Tionesta Creek Reservoir at Tionesta Creek Dam is below normal for late October, with the lake level at 1,089.33 ft.
That puts it 0.49 ft below the median of 1,089.82 ft for late October, based on 7 years of readings. It is 79.67 ft below the flood stage of 1,169.00 ft. A year ago it stood at 1,090.75 ft (−1.42 ft).
It has dropped 0.14 ft over the past 24 hours. With the water still dropping, the shoreline keeps moving out. In the last month it has stayed between 1,089.29 ft and 1,092.93 ft.
Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.
Compared with 7 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 1,089.82 ft0.49 ft below the median for this date
- Normal for this date
- 1,089.22 ft – 1,092.15 ft8 years in 10 fall in this range (7 years of records)
- Same day last year
- 1,090.75 ft−1.42 ft
- Lowest and highest in 30 days
- 1,089.29 ft – 1,092.93 ft
- Lowest and highest in 12 months
- 1,086.91 ft – 1,119.61 ft
On the water at Tionesta Creek Reservoir at Tionesta Creek Dam
A receding shoreline opens up beaches but also uncovers hazards: stumps, rocks and soft mud that are usually well under water.
Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.
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 |
|---|---|---|---|---|
| Tionesta Creek at Tionesta Creek DamRiver gauge, Tionesta Creek | 1.25 ft | Below flood stage | ±0 | 0.4 mi |
| Allegheny River at West HickoryRiver gauge, Allegheny River | 3.86 ft | Below flood stage | −0.02 ft | 7 mi |
| Oil Creek at RousevilleRiver gauge, Oil Creek | 2.11 ft | Below flood stage | −0.05 ft | 13 mi |
| Clarion River at CooksburgRiver gauge, Clarion River | 2.41 ft | Below flood stage | −0.11 ft | 15 mi |
| Clarion River near PineyRiver gauge, Clarion River | 244 cfs | Low | −462.0 cfs | 19 mi |
| Allegheny River at FranklinRiver gauge, Allegheny River | 3.49 ft | Below flood stage | −0.03 ft | 21 mi |
| Tionesta Creek at LynchRiver gauge, Tionesta Creek | 73.5 cfs | Normal | −2.2 cfs | 22 mi |
| French Creek at UticaRiver gauge, French Creek | 395 cfs | Low | −31.0 cfs | 27 mi |
Questions and answers
How does Tionesta Creek Reservoir at Tionesta Creek Dam compare with last year?
It is 1.42 ft lower than on the same day last year, when the reading was 1,090.75 ft.
What is a normal level for Tionesta Creek Reservoir at Tionesta Creek Dam in late October?
The median for late October is 1,089.82 ft. In 8 years out of 10 the reading falls between 1,089.22 ft and 1,092.15 ft, based on 7 years of records.
Is Tionesta Creek Reservoir at Tionesta Creek Dam really 1,089.33 ft deep?
No. 1,089.33 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.
What is the water level of Tionesta Creek Reservoir at Tionesta Creek Dam today?
On Oct 21, 2026, 05:45 AM EDT, the surface elevation was 1,089.33 ft. Down 0.14 ft over the last 24 hours.
Is Tionesta Creek Reservoir at Tionesta Creek Dam rising or falling?
Down 0.14 ft over the last 24 hours. Down 0.34 ft over the last 7 days.
Is the level of Tionesta Creek Reservoir at Tionesta Creek Dam normal?
Low for late October. Compared with 7 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:03019500(Agency page)- Coordinates
41.47367, -79.43866(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 |
|---|---|---|---|
| Surface elevation | 1,089.33 ft | 2026-10-21 09:45 | Provisional |
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How to cite
U.S. Geological Survey: Tionesta Creek Reservoir at Tionesta Creek Dam (usgs:03019500). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/tionesta-creek-reservoir-at-tionesta-creek-dam
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