BIGK1 : Big Hill Lake
Current Readings
- 0.59 ft ABOVE normal
- Pool elevation is 858.59 feet on 30JUN2025 14:00 hours.
- At this elevation the total amount of water stored in Big Hill Lake is 24024 acre-feet.
- Reservoir release is 75 cubic feet per second on Monday 30Jun2025 14:00.
- Flood pool is 5.4% full.
- Flood pool storage filled is 663 acre-feet which is equivalent to 0.34 inches of runoff over the entire drainage basin.
- Flood pool storage empty is 11624 acre-feet which is equivalent to 5.89 inches of runoff over the entire drainage basin.
Gate Change
Conditions at the time of Gate Change- Sunday, 22 Jun 2025 0930
- Pool Elevation = 858.47 feet.
- Total Release = 54 (cfs)
- Gate Release = 0 (cfs)
- Unregulated Release = 54 (cfs)
- Auxillary Unregulated Release = 0 (cfs)
- Gate Settings:
- All CLOSED
Evaporation Data
- 0.262 inches - 30JUN2025 @ 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 Parameters
Big Hill Lake
Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Monday, 30 Jun 2025 15:02