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FSLO2 : Ft. Supply Lake

FSUP Status Image

Current Readings

  • 1.09 ft BELOW normal
  • Pool elevation is 2002.91 feet on 15SEP2026 18:00 hours.
  • At this elevation the total amount of water stored in Ft. Supply Lake is 10428 acre-feet.
  • Reservoir release is 0 cubic feet per second on Tuesday 15Sep2026 18:00.
  • Conservation pool is 85.33% full.
  • Conservation pool storage filled is 10428 acre-feet which is equivalent to 0.13 inches of runoff over the entire drainage basin.
  • Conservation pool storage empty is 1792 acre-feet which is equivalent to 0.02 inches of runoff over the entire drainage basin.

Gate Change

Conditions at the time of Gate Change
  • Friday, 03 Apr 2026 1027
    • Pool Elevation = 2004.43 feet.
    • Total Release = 0 (cfs)
      • Gate Release = 0 (cfs)
      • Unregulated Release = 0 (cfs)
    • Gate Settings:
      • All CLOSED

Evaporation Data

  • 0.433 inches - 15SEP2026 @ 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: 2028.00 1.08 85726 1.23 97947
Conservation Pool: 2004.00 0.15 12220 0.15 12220
Inactive Pool: 1990.00 0.00 0 0.00 0

Streambed Elevation: 1974.50 feet.
Top of Dam Elevation: 2059.50 feet.
* Values in the above "inches of runoff" column are based on a contributing drainage area of 1494.0 square miles.
Longitude: -99° 34' 16 Latitude: 36° 33' 14
Map of Ft. Supply 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

Fort Supply Lake near Fort Supply, OK


Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Tuesday, 15 Sep 2026 18:33