
Current Readings
- 1.77 ft ABOVE normal
- Pool elevation is 859.77 feet on 30APR2025 17:00 hours.
- At this elevation the total amount of water stored in Big Hill Lake is 25381 acre-feet.
- Reservoir release is 389 cubic feet per second on Wednesday 30Apr2025 17:00.
- Flood pool is 16.44% full.
- Flood pool storage filled is 2020 acre-feet which is equivalent to 1.02 inches of runoff over the entire drainage basin.
- Flood pool storage empty is 10267 acre-feet which is equivalent to 5.2 inches of runoff over the entire drainage basin.
Gate Change
Conditions at the time of Gate Change- Wednesday, 01 Apr 2020 1645
- Pool Elevation = 858.07 feet.
- Total Release = 5 (cfs)
- Gate Release = 0 (cfs)
- Unregulated Release = 5 (cfs)
- Auxillary Unregulated Release = 0 (cfs)
- Gate Settings:
- All CLOSED
Evaporation Data
- 0.019 inches - 30APR2025 @ 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: | 867.50 | 6.23 | 12287 | 18.07 | 35648 |
Conservation Pool: | 858.00 | 11.74 | 23171 | 11.84 | 23360 |
Inactive Pool: | 814.00 | 0.10 | 188 | 0.10 | 188 |
Streambed Elevation: 801.00 feet.
Top of Dam Elevation: 884.00 feet.
* Values in the above "inches of runoff" column are based on a contributing drainage area of 37.0 square miles.
Longitude: -95° 28' 12 Latitude: 37° 16' 12
Map of Big Hill Lake Dam
Links for More Information
Graphs
of Measured and Calculated Lake ParametersBig Hill Lake
Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Wednesday, 30 Apr 2025 18:04