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River Flows for Hydro Plants

You may track, on an hourly basis, water levels and flows of the recreational rivers and lakes near AEP's hydroelectric facilities. See a map of our plant locations.

Explanation of terms

  • The "Forebay" and "Tailwater" numbers show the feet above sea level of the water levels immediately upstream and downstream from our plants.
  • "Tailwater Flow" is the hourly average of the river flow just downstream of the plants, measured in cubic feet per second.

Updated 25-FEB-2021 11:50 EDT

New River Flows & Forecasts

Water release information for AEP's Claytor, Buck, and Byllesby hydro dams is updated every fifteen minutes. PLEASE NOTE: Forecast information is estimated. Water travel times may be affected by water conditions, precipitation in the watershed and other factors

Most Recent Conditions

Project Normal Full Pond Forbay Actual (Feet) Tail Water (Feet) Tail Water (CFS)
Buck 2003.40 2002.91 1962.83 3726
Byllesby 2079.20 2078.71 2023.50 4035
Claytor 1846.00 1845.33 1731.10 7219

See plant-specific notices below.

New River - Downstream Forecasts

Forecast information shows water release information from the Claytor dam, delayed to account for the average time it takes the released water to reach particular points downstream. Water travel times may be affected by water conditions, precipitation in the watershed and other factors.

Kanawha River

Project Normal Full Pond Forbay Actual (Feet) Tail Water (Feet) Tail Water (CFS)
London 614.00 614.48 595.03 7372
Marmet 590.00 590.13 573.20 6066
Winfield 566.00 566.22 545.75 10222

See plant-specific notices below.

Ohio River

Project Normal Full Pond Forbay Actual (Feet) Tail Water (Feet) Tail Water (CFS)
Racine 560.00 559.83 546.10 28268

See plant-specific notices below.

Roanoke River

Project Normal Full Pond Forbay Actual (Feet) Tail Water (Feet) Tail Water (CFS)
Leesville 613.00.00 606.20 533.50 3014
Niagara 885.00 885.59
Smith Mountain 795.00 794.26 606.19

See plant-specific notices below.

Saint Joseph River

Project Normal Full Pond Forbay Actual (Feet) Tail Water (Feet) Tail Water (CFS)
Berrien Springs 623.50 623.57 598.71 3558
Buchanan summer: 637.50
winter: 637.00
637.25 624.74 2690
Constantine 782.90 782.71 771.25
Elkhart 741.50
winter: 739.50
739.50 723.15
Mottville summer: 770.40
winter: 770.00
770.38 758.67 1312
Twin Branch 717.10 716.94 695.80 2027

See plant-specific notices below.

Plant-Specific Notices

AS OF 05:00 THIS MORNING THURSDAY FEBRUARY 25, 2021, INFLOW TO THE SMITH MOUNTAIN PROJECT WAS 3411 CFS AND THE DISCHARGE FROM LEESVILLE 2434 CFS. THE ADJUSTED RESERVOIR ELEVATION WAS 795.04'. THE FLOW RATE AT THE USGS GAUGE AT BROOKNEAL WAS 4670 CFS, STAGE 8.43' AND AT ALTAVISTA 3050 CFS, STAGE 4.27'.