Wear your life jacket

CPLO2 : Copan Lake

COPA Status Image

Current Readings

  • 0.67 ft BELOW normal
  • Pool elevation is 709.33 feet on 06SEP2026 08:00 hours.
  • At this elevation the total amount of water stored in Copan Lake is 31911 acre-feet.
  • Reservoir release is 9 cubic feet per second on Sunday 06Sep2026 08:00.
  • Conservation pool is 91.96% full.
  • Conservation pool storage filled is 31267 acre-feet which is equivalent to 1.16 inches of runoff over the entire drainage basin.
  • Conservation pool storage empty is 2734 acre-feet which is equivalent to 0.1 inches of runoff over the entire drainage basin.

Gate Change

Conditions at the time of Gate Change
  • Tuesday, 11 Aug 2026 0850
    • Pool Elevation = 710.05 feet.
    • Total Release = 9 (cfs)
      • Gate Release = 9 (cfs)
    • Gate Settings:
      • 1 Low Flow Gates open 13.0 PERCENT

Evaporation Data

  • 0.343 inches - 06SEP2026 @ 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

Graphs

of Measured and Calculated Lake Parameters
View 24H and 7Day Graphs (Enlarged)
Lake Graph
Elevation
Tailwater
Precipitation
In Flow
Out Flow
Storage

Copan Lake near Copan, OK


Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Sunday, 06 Sep 2026 08:32