CNGK1 : Council Grove Lake
Current Readings
- 0.29 ft ABOVE normal
- Pool elevation is 1274.29 feet on 19OCT2026 18:00 hours.
- At this elevation the total amount of water stored in Council Grove Lake is 43436 acre-feet.
- Reservoir release is 242 cubic feet per second on Monday 19Oct2026 18:00.
- Flood pool is 1.45% full.
- Flood pool storage filled is 893 acre-feet which is equivalent to 0.07 inches of runoff over the entire drainage basin.
- Flood pool storage empty is 60726 acre-feet which is equivalent to 4.63 inches of runoff over the entire drainage basin.
Gate Change
Conditions at the time of Gate Change- Tuesday, 13 Oct 2026 1245
- Pool Elevation = 1274.81 feet.
- Total Release = 240 (cfs)
- Gate Release = 240 (cfs)
- Unregulated Release = 0 (cfs)
- Gate Settings:
- 1 Conduit Gates open 0.25 FT
- 1 Conduit Gates open 0.5 FT
- 1 Low Flow Gates open 12.0 PERCENT
Evaporation Data
- 0.150 inches - 19OCT2026 @ 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: | 1289.00 | 4.70 | 61619 | 7.94 | 104162 |
| Conservation Pool: | 1274.00 | 3.24 | 42541 | 3.24 | 42542 |
| Inactive Pool: | 1240.00 | 0.00 | 0 | 0.00 | 0 |
Streambed Elevation: 1220.00 feet.
Top of Dam Elevation: 1321.00 feet.
* Values in the above "inches of runoff" column are based on a contributing drainage area of 246.0 square miles.
Longitude: -96° 30' 25 Latitude: 38° 40' 45
Map of Council Grove Lake Dam
Links for More Information
Graphs
of Measured and Calculated Lake Parameters
Council Grove Lake
Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Monday, 19 Oct 2026 18:33