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Tionesta Creek Reservoir at Tionesta Creek Dam water level

Reservoir, Tionesta Creek Reservoir, Pennsylvania, United States

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Right now

Very low for mid-October

Surface elevation

1,089.44ft Down 0.12 ft over the last 24 hours

1,100 1,125 1,150 1,175 Minor floodstage 1,169.00 ft
Surface elevation: 1,089.44 ft. Very low for mid-October.

History

History
1,0901,0911,092ftOct 10Oct 11Oct 13Oct 15Oct 161,0901,0911,092ftOct 10Oct 13Oct 16
1,0901,0951,100ftSep 17Sep 24Oct 1Oct 9Oct 161,0901,0951,100ftSep 17Oct 1Oct 16
1,1001,120ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20261,1001,120ftOct 2025Apr 2026Oct 2026
1,1001,1251,1501,175ftOct 2020Apr 2022Oct 2023Apr 2025Oct 2026Minor flood stage1,1001,1251,1501,175ftOct 2020Oct 2023Oct 2026Minor flood stage
1,1001,1201,140ftJanMarMayJulSepNov20261,1001,1201,140ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %) Minor flood stage

What this means

Tionesta Creek Reservoir at Tionesta Creek Dam is far below normal for mid-October, with the lake level at 1,089.44 ft.

It is 79.56 ft below the flood stage of 1,169.00 ft. That puts it 0.51 ft below the median of 1,089.95 ft for mid-October, based on 7 years of readings. A year ago it stood at 1,089.82 ft (−0.38 ft).

It has dropped 0.12 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 1,100.85 ft.

Many reservoirs reach their low point of the year in fall, before winter rain and snow start the refill.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1,089.95 ft0.51 ft below the median for this date
Normal for this date
1,089.56 ft – 1,091.83 ft8 years in 10 fall in this range (7 years of records)
Same day last year
1,089.82 ft−0.38 ft
Lowest and highest in 30 days
1,089.29 ft – 1,100.85 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

The forecast is not available right now.

Sunrise 07:31 AM Sunset 06:37 PM Daylight 11h 5m First quarter 34 %

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Tionesta Creek at Tionesta Creek DamRiver gauge, Tionesta Creek 1.26 ft Below flood stage 0.4 mi
Allegheny River at West HickoryRiver gauge, Allegheny River 3.91 ft Below flood stage 7 mi
Oil Creek at RousevilleRiver gauge, Oil Creek 2.16 ft Below flood stage 13 mi
Clarion River at CooksburgRiver gauge, Clarion River 2.52 ft Below flood stage 15 mi
Allegheny River at FranklinRiver gauge, Allegheny River 3.45 ft Below flood stage 21 mi
Tionesta Creek at LynchRiver gauge, Tionesta Creek 94.3 cfs Normal 22 mi
Redbank Creek at BrookvilleRiver gauge, Redbank Creek 6.77 ft Below flood stage 29 mi
Allegheny River at ParkerRiver gauge, Allegheny River 2.45 ft Below flood stage 29 mi

Questions and answers

How does Tionesta Creek Reservoir at Tionesta Creek Dam compare with last year?

It is 0.38 ft lower than on the same day last year, when the reading was 1,089.82 ft.

How often is Tionesta Creek Reservoir at Tionesta Creek Dam updated?

Several times an hour. New readings from U.S. Geological Survey appear here as they arrive. Latest: Oct 16, 2026, 05:45 PM EDT.

What is the water level of Tionesta Creek Reservoir at Tionesta Creek Dam today?

On Oct 16, 2026, 05:45 PM EDT, the surface elevation was 1,089.44 ft. Down 0.12 ft over the last 24 hours.

Is Tionesta Creek Reservoir at Tionesta Creek Dam rising or falling?

Down 0.12 ft over the last 24 hours. Down 0.71 ft over the last 7 days.

Is the level of Tionesta Creek Reservoir at Tionesta Creek Dam normal?

Very low for mid-October. Compared with 7 years of daily readings for this time of year.

How often is this data updated?

U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from U.S. Geological Survey, the official operator of this gauge, and are published under the Public domain. We do not estimate or model live values.

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

ParameterLast valueTime (UTC)Quality
Surface elevation elevation 1,089.44 ft 2026-10-16 21:45 Provisional

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How to cite

U.S. Geological Survey: Tionesta Creek Reservoir at Tionesta Creek Dam (usgs:03019500). Accessed October 16, 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.