
Current Readings
- 3.84 ft ABOVE normal
- Pool elevation is 745.84 feet on 26APR2025 15:00 hours.
- At this elevation the total amount of water stored in Pensacola (Grand Lake) is 1475684 acre-feet.
- Reservoir release is 27352 cubic feet per second on Saturday 26Apr2025 15:00.
- Flood pool is 26.26% full.
- Flood pool storage filled is 168396 acre-feet which is equivalent to 0.31 inches of runoff over the entire drainage basin.
- Flood pool storage empty is 472858 acre-feet which is equivalent to 0.86 inches of runoff over the entire drainage basin.
Gate Change
Conditions at the time of Gate Change- Friday, 25 Apr 2025 1400
- Pool Elevation = 746.68 feet.
- Total Release = 29551 (cfs)
- Gate Release = 15857 (cfs)
- Turbine Release = 13694 (cfs)
- Gate Settings:
- 3 Auxillary Tainter Gates open 15.0 FT
- 1 Tainter Gates open 25.0 FT
Evaporation Data
- 0.180 inches - 26APR2025 @ 07:00
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: Saturday, 26 Apr 2025 16:03