First Fork Sinnemahoning Creek Reservoir water level

Name: First Fork Sinnemahoning Creek Reservoir water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, Pennsylvania, United States

Directions

Normal for mid-October

Surface elevation

922.25ft Down 0.08 ft over the last 24 hours

Measured Oct 19, 2026, 10:00 AM EDT (40 min ago)

History

What this means

The lake level at First Fork Sinnemahoning Creek Reservoir reads 922.25 ft, about where it usually sits at this time of year.

The median for mid-October is 922.21 ft, based on 7 years of readings, so the lake level is 0.04 ft above typical. On the same day last year the reading was 922.23 ft, a difference of +0.02 ft.

It is still going down, by 0.08 ft over the past 24 hours. The 30-day range is 921.97 ft – 922.33 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: 922.21 ft0.04 ft above the median for this date
Normal for this date: 922.01 ft – 922.37 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 922.23 ft+0.02 ft
Lowest and highest in 30 days: 921.97 ft – 922.33 ft
Lowest and highest in 12 months: 921.22 ft – 922.44 ft

Boating and fishing at First Fork Sinnemahoning Creek Reservoir

A lake in its usual range is what most ramps, docks and swimming areas are built for.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

Rain in the last 3 days: 0.06 in.

19 Mon 65° 40° – Wind 6 mph

20 Tue 65° 42° – Wind 8 mph

21 Wed 65° 39° – Wind 5 mph

22 Thu 64° 38° – Wind 8 mph

23 Fri 60° 41° – Wind 7 mph

24 Sat 57° 36° – Wind 8 mph

25 Sun 60° 37° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:29 AM Sunset 06:26 PM Daylight 10 hr, 58 min First quarter 60%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
First Fork Sinnemahoning Cr near SinnemahoningRiver gauge, First Fork Sinnemahoning Cr	76.6 cfs	Normal	±0	0.4 mi
Kettle Cr Lake at Kettle Cr Dam near WestportReservoir, Kettle Cr Lake	842.81 ft	Very high	+0.17 ft	5.9 mi
Sinnemahoning Creek at SinnemahoningRiver gauge, Sinnemahoning Creek	2.37 ft	Below flood stage	−0.09 ft	8 mi
First Fork Sinnemahoning Creek at WhartonRiver gauge, First Fork Sinnemahoning Creek	57.4 cfs	Normal	−3.1 cfs	8 mi
Driftwood Br Sinnemahoning Cr at Sterling RunRiver gauge, Driftwood Br Sinnemahoning Cr	76.3 cfs	Normal	−12.2 cfs	9 mi
East Fork Sinnemahoning at Wharton TownshipRiver gauge, East Fork Sinnemahoning	16.9 cfs	Normal	−0.7 cfs	10 mi
Kettle Creek near WestportRiver gauge, Kettle Creek	53.8 cfs	Normal	+3.1 cfs	10 mi
Kettle Creek at Cross ForkRiver gauge, Kettle Creek	41.8 cfs	Normal	−2.6 cfs	11 mi

Questions and answers

Is First Fork Sinnemahoning Creek Reservoir higher than last year?

Yes, it is 0.02 ft higher than on the same day last year, when the reading was 922.23 ft.

What is a normal level for First Fork Sinnemahoning Creek Reservoir in mid-October?

The median for mid-October is 922.21 ft. In 8 years out of 10 the reading falls between 922.01 ft and 922.37 ft, based on 7 years of records.

Is First Fork Sinnemahoning Creek Reservoir really 922.25 ft deep?

No. 922.25 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 First Fork Sinnemahoning Creek Reservoir today?

On Oct 19, 2026, 10:00 AM EDT, the surface elevation was 922.25 ft. Down 0.08 ft over the last 24 hours.

Is First Fork Sinnemahoning Creek Reservoir rising or falling?

Down 0.08 ft over the last 24 hours. Steady over the last 7 days.

Is the level of First Fork Sinnemahoning Creek Reservoir normal?

Normal for mid-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:01543900 (Agency page)
Coordinates: 41.40701, -78.01917 (WGS84)
Vertical datum: local
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	922.25 ft	2026-10-19 14:00	Provisional

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How to cite

U.S. Geological Survey: First Fork Sinnemahoning Creek Reservoir (usgs:01543900). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/first-fork-sinnemahoning-creek-reservoir

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