
Current Readings
- 4.37 ft ABOVE normal
- Pool elevation is 746.37 feet on 30APR2025 15:00 hours.
- At this elevation the total amount of water stored in Pensacola (Grand Lake) is 1500287 acre-feet.
- Reservoir release is 28265 cubic feet per second on Wednesday 30Apr2025 14:00.
- Flood pool is 30.1% full.
- Flood pool storage filled is 192998 acre-feet which is equivalent to 0.35 inches of runoff over the entire drainage basin.
- Flood pool storage empty is 448256 acre-feet which is equivalent to 0.82 inches of runoff over the entire drainage basin.
Gate Change
Conditions at the time of Gate Change- Wednesday, 30 Apr 2025 0945
- Pool Elevation = 745.75 feet.
- Total Release = 26918 (cfs)
- Gate Release = 13558 (cfs)
- Turbine Release = 13360 (cfs)
- Gate Settings:
- 3 Auxillary Tainter Gates open 15.0 FT
- 1 Tainter Gates open 25.0 FT
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
Links for More Information
Graphs
of Measured and Calculated Lake ParametersGrand 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: Wednesday, 30 Apr 2025 15:33