Wear your life jacket

PENO2 : Pensacola (Grand Lake)

PENS Status Image

Current Readings

  • 2.18 ft ABOVE normal
  • Pool elevation is 744.18 feet on 20APR2025 22:00 hours.
  • At this elevation the total amount of water stored in Pensacola (Grand Lake) is 1400889 acre-feet.
  • Reservoir release is 13499 cubic feet per second on Sunday 20Apr2025 22:00.
  • Flood pool is 14.6% full.
  • Flood pool storage filled is 93601 acre-feet which is equivalent to 0.17 inches of runoff over the entire drainage basin.
  • Flood pool storage empty is 547653 acre-feet which is equivalent to 1.0 inches of runoff over the entire drainage basin.

Gate Change

Conditions at the time of Gate Change
  • Friday, 14 Mar 2025 0915
    • Pool Elevation = 744.04 feet.
    • Total Release = 6625 (cfs)
      • Gate Release = 0 (cfs)
      • Turbine Release = 6625 (cfs)
    • Gate Settings:
      • All CLOSED

Evaporation Data

  • Evap data missing

Reservoir Data

Elevation Incremental Storage Cumulative Storage
(feet) (inches of runoff)* (acre-feet) (inches of runoff)* (acre-feet)
Surcharge Pool: ---- ---- ---- ---- ----
Flood Control Pool: 755.00 1.17 641254 3.55 1948543
Conservation Pool: * 742.00 1.71 940447 2.38 1307288
Inactive Pool: 705.00 0.67 366840 0.67 366840

Streambed Elevation: 610.00 feet.
Top of Dam Elevation: 757.00 feet.
* Project has seasonal conservation pool.
* Values in the above "inches of runoff" column are based on a contributing drainage area of 10298.0 square miles.
Longitude: -95° 2' 21.33 Latitude: 36° 28' 19.65
Map of Pensacola (Grand Lake) Dam

Graphs

of Measured and Calculated Lake Parameters
View 24H and 7Day Graphs (Enlarged)
Lake Graph
Elevation
Tailwater
Precipitation
In Flow
Out Flow
Storage

Grand Lake O' the Cherokees (Pensacola) at Langley, OK


Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Sunday, 20 Apr 2025 23:03