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FOSO2 : Foss Lake

FOSS Status Image

Current Readings

  • 2.09 ft BELOW normal
  • Pool elevation is 1639.91 feet on 12MAY2025 06:00 hours.
  • At this elevation the total amount of water stored in Foss Lake is 155538 acre-feet.
  • Reservoir release is 0 cubic feet per second on Monday 12May2025 06:00.
  • Conservation pool is 91.38% full.
  • Conservation pool storage filled is 146344 acre-feet which is equivalent to 1.83 inches of runoff over the entire drainage basin.
  • Conservation pool storage empty is 13801 acre-feet which is equivalent to 0.17 inches of runoff over the entire drainage basin.

Gate Change

Conditions at the time of Gate Change
  • Monday, 01 Jun 2020 0930
    • Pool Elevation = 1641.50 feet.
    • Total Release = 0 (cfs)
      • Unregulated Release = 0 (cfs)
    • Gate Settings:
      • All CLOSED

Evaporation Data

  • 0.330 inches - 12MAY2025 @ 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: 1662.20 2.27 181069 4.40 350409
Conservation Pool: 1642.00 2.01 160145 2.13 169339
Inactive Pool: 1597.20 0.12 9194 0.12 9194

Streambed Elevation: 1563.00 feet.
Top of Dam Elevation: 1697.00 feet.
* Values in the above "inches of runoff" column are based on a contributing drainage area of 1496.0 square miles.
Longitude: -99° 10' 42 Latitude: 35° 32' 18
Map of Foss 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

Foss Reservoir near Foss, OK


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Disclaimer:These pages are subject to change.Last Page Update: Monday, 12 May 2025 06:31