Seneca Power Upper Reservoir water level — Pennsylvania

Pennsylvania · USACE · reading Jul 9, 2026, 5:00 PM (UTC+00:00)

Seneca Power Upper Reservoir in Pennsylvania was last measured at 2,066.59 ft (datum NAVD88), as of Jul 9, 2026, 5:00 PM (UTC+00:00) (USACE CWMS Data). Over its recent trend window the level has been falling (−4.3 ft). Figures are provisional readings for reference — not for navigation or safety decisions.

Current reading Seneca Power Upper Reservoir · Pennsylvania
Pool elevation
2,066.59 ft

Datum NAVD88. Datums vary by station (NGVD29 vs. NAVD88 differ by roughly half a foot to a foot) — never compare bare elevations across lakes without checking the datum.

% of conservation pool full
Not reported
Storage
6,040 acre-ft
Recent trend
↓Falling

−4.3 ft over the trend window

Recent trend

The last ~21 days of readings at this station, downsampled for display.

2049.7ft2033.3ftApr 15 – May 6

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-07-14. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Important — not for navigation or safety decisions

Water levels here are provisional readings for general reference only. Conditions vary and readings can be revised. Always confirm current conditions with the managing agency before making navigation, boating, or dam-safety decisions.

Source: USACE LRP/SenecaPower-Upper, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). Official page for this lake →

Nearby lakes

The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.

Lakes nearest to Seneca Power Upper Reservoir, with current level and distance.
Lake State Level Distance
Allegheny Reservoir PA 1,327.00 ft 1 km
East Branch Clarion River Lake PA 1,664.28 ft 46 km
Chautauqua Lake at Bemus Point NY 1,308.35 ft 48 km
Tionesta Creek Reservoir PA 1,089.87 ft 54 km
Union City Reservoir on French Creek PA 1,217.09 ft 74 km
Woodcock Creek Lake PA 1,181.80 ft 92 km

Frequently asked questions

What is the current water level of Seneca Power Upper Reservoir?
As of Jul 9, 2026, 5:00 PM (UTC+00:00), the pool elevation was 2,066.59 ft (datum NAVD88). See the trend chart above for the recent direction.
Is Seneca Power Upper Reservoir full right now?
Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
Where does this data come from?
From USACE LRP/SenecaPower-Upper, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.
Is this safe to use for boating or navigation?
No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

More in Pennsylvania

See every lake tracked in Pennsylvania, or read the methodology behind these figures.