Lake Levels USA tracks 28 lakes and reservoirs in Pennsylvania using U.S. Geological Survey (Water Data for the Nation). Of the 28 with a current 7-day trend, 1 rose and 22 fell by more than 0.05 ft. Latest data: Oct 25, 2026. Elevations from different gauges use different datums, so compare each lake with its own history, not with other lakes.
All Pennsylvania lakes
Allegheny Reservoirnear Warren, PA1,317.68 ft−2.34 ftAylesworth Creek Lakeat Jermyn, PA1,108.05 ft−0.03 ftBeltzville Lakenear Parryville, PA628.12 ft−0.01 ftBlue Marsh Lakenear Bernville, PA286.59 ft−2.02 ftChambers Lakenear Wagontown, PA579.77 ft−0.13 ftConemaugh LakeUSGS911.35 ft−4.63 ftCowanesque Lakeat Lawrenceville, PA1,080.34 ft−0.02 ftCrooked Creek Lakenear Ford City, PA844.07 ft−1.29 ftCurwensville Lakenear Curwensville, PA1,162.20 ft−0.77 ftEast Branch Clarion River Lakenear Glen Hazel, PA1,648.29 ft−1.03 ftFirst Fork Sinnemahoning Creek ReservoirUSGS922.10 ft−0.22 ftFoster Joseph Sayers Lakenear Blanchard, PA630.08 ft−0.16 ftFrancis E. Walter Reservoirnear White Haven, PA1,302.88 ft−4.45 ftGlendale Lakenear Flinton, PA1,427.34 ft−0.13 ftHammond Lakeat Hammond Dam at Tioga, PA1,086.10 ft−0.20 ftIndian Rock Damnear York, PA373.08 ft−0.11 ftKettle Creek Lakeat Kettle Cr Dam near Westport, PA842.90 ft+0.24 ftLoyalhanna Creek LakePa924.05 ft−0.95 ftMahoning Creek Reservoirat Mahoning Creek Dam, PA1,088.89 ft−12.35 ftPrompton Reservoirat Prompton, PA1,124.86 ft−0.47 ftRaystown Lakenear Huntingdon, PA785.34 ft−0.81 ftShenango River Reservoirnear Sharpsville, PA895.03 ft+0.04 ftStillwater Lakenear Forest City, PA1,573.08 ft−0.78 ftStruble Lakenear Honey Brook, PA616.89 ft−0.06 ftTioga Lakeat Tioga Dam at Tioga, PA1,081.31 ft−0.05 ftTionesta Creek Reservoirat Tionesta Creek Dam, PA1,088.56 ft−0.97 ftWoodcock Creek Lakenear Saegertown, PA1,164.50 ft−0.48 ftYoughiogheny River Lakeat Dam near Confluence, PA1,438.08 ft−2.21 ft
Other states
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Number = lakes with a gauge on this site. Grey = none yet.