FLLK1 : Fall River Lake
Current Readings
- 0.35 ft ABOVE normal
- Pool elevation is 948.85 feet on 18JUL2026 09:00 hours.
- At this elevation the total amount of water stored in Fall River Lake is 21436 acre-feet.
- Reservoir release is 55 cubic feet per second on Saturday 18Jul2026 09:00.
- Flood pool is 0.33% full.
- Flood pool storage filled is 746 acre-feet which is equivalent to 0.02 inches of runoff over the entire drainage basin.
- Flood pool storage empty is 223184 acre-feet which is equivalent to 7.15 inches of runoff over the entire drainage basin.
Gate Change
Conditions at the time of Gate Change- Wednesday, 15 Jul 2026 0800
- Pool Elevation = 948.74 feet.
- Total Release = 55 (cfs)
- Gate Release = 55 (cfs)
- Gate Settings:
- 1 Sluice Gates open 0.25 FT
- 1 Low Flow Gates open 25.0 PERCENT
Evaporation Data
- 0.201 inches - 18JUL2026 @ 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: | 987.50 | 7.18 | 223930 | 7.85 | 244619 |
| Conservation Pool: | 948.50 | 0.45 | 13902 | 0.67 | 20689 |
| Inactive Pool: | 940.00 | 0.22 | 6787 | 0.22 | 6787 |
Streambed Elevation: 902.50 feet.
Top of Dam Elevation: 996.50 feet.
* Values in the above "inches of runoff" column are based on a contributing drainage area of 585.0 square miles.
Longitude: -96° 4' 39 Latitude: 37° 38' 48
Map of Fall River Lake Dam
Links for More Information
Graphs
of Measured and Calculated Lake Parameters
Fall River Lake
Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Saturday, 18 Jul 2026 10:02