BIRO2 : Birch Lake
Current Readings
- 3.00 ft BELOW normal
- Pool elevation is 747.5 feet on 06JAN2026 08:00 hours.
- At this elevation the total amount of water stored in Birch Lake is 14993 acre-feet.
- Reservoir release is 1 cubic feet per second on Tuesday 06Jan2026 08:00.
- Conservation pool is 80.03% full.
- Conservation pool storage filled is 11919 acre-feet which is equivalent to 3.39 inches of runoff over the entire drainage basin.
- Conservation pool storage empty is 2974 acre-feet which is equivalent to 0.84 inches of runoff over the entire drainage basin.
Gate Change
Conditions at the time of Gate Change- Friday, 31 Oct 2025 1000
- Pool Elevation = 747.96 feet.
- Total Release = 1 (cfs)
- Gate Release = 1 (cfs)
- Unregulated Release = 0 (cfs)
- Gate Settings:
- 1 Low Flow Gates open 4.0 PERCENT
Evaporation Data
- 0.082 inches - 06JAN2026 @ 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: | 774.00 | 11.16 | 39291 | 16.26 | 57258 |
| Conservation Pool: | 750.50 | 4.23 | 14893 | 5.10 | 17967 |
| Inactive Pool: | 730.00 | 0.87 | 3074 | 0.87 | 3074 |
Streambed Elevation: 698.00 feet.
Top of Dam Elevation: 795.00 feet.
* Values in the above "inches of runoff" column are based on a contributing drainage area of 66.0 square miles.
Longitude: -96° 9' 45 Latitude: 36° 32' 5
Map of Birch Lake Dam
Links for More Information
Graphs
of Measured and Calculated Lake Parameters
Birch Lake near Barnsdall, OK
Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Tuesday, 06 Jan 2026 08:32