CPLO2 : Copan Lake
Current Readings
- 0.81 ft ABOVE normal
- Pool elevation is 710.81 feet on 03MAY2026 21:00 hours.
- At this elevation the total amount of water stored in Copan Lake is 38380 acre-feet.
- Reservoir release is 480 cubic feet per second on Sunday 03May2026 20:00.
- Flood pool is 2.03% full.
- Flood pool storage filled is 3734 acre-feet which is equivalent to 0.14 inches of runoff over the entire drainage basin.
- Flood pool storage empty is 180340 acre-feet which is equivalent to 6.7 inches of runoff over the entire drainage basin.
Gate Change
Conditions at the time of Gate Change- Friday, 01 May 2026 1215
- Pool Elevation = 710.91 feet.
- Total Release = 482 (cfs)
- Gate Release = 482 (cfs)
- Gate Settings:
- 1 Tainter Gates open 0.5 FT
- 1 Low Flow Gates open 17.0 PERCENT
Evaporation Data
- 0.264 inches - 03MAY2026 @ 07:00
Reservoir Data
| Elevation | Incremental Storage | Cumulative Storage | |||
|---|---|---|---|---|---|
| (feet) | (inches of runoff)* | (acre-feet) | (inches of runoff)* | (acre-feet) | |
| Surcharge Pool: | 738.00 | 3.24 | 87269 | 11.35 | 305990 |
| Flood Control Pool: | 732.00 | 6.83 | 184074 | 8.11 | 218720 |
| Conservation Pool: | 710.00 | 1.26 | 34001 | 1.28 | 34645 |
| Inactive Pool: | 687.50 | 0.02 | 644 | 0.02 | 644 |
Streambed Elevation: 672.00 feet.
Top of Dam Elevation: 745.00 feet.
* Values in the above "inches of runoff" column are based on a contributing drainage area of 505.0 square miles.
Longitude: -95° 58' 17 Latitude: 36° 53' 8
Map of Copan Lake Dam
Links for More Information
Graphs
of Measured and Calculated Lake Parameters
Copan Lake near Copan, OK
Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Sunday, 03 May 2026 21:01