MLBK1 : Marion Lake
Current Readings
- 0.37 ft BELOW normal
- Pool elevation is 1350.13 feet on 01SEP2026 17:00 hours.
- At this elevation the total amount of water stored in Marion Lake is 74442 acre-feet.
- Reservoir release is 9 cubic feet per second on Tuesday 01Sep2026 17:00.
- Conservation pool is 96.88% full.
- Conservation pool storage filled is 74442 acre-feet which is equivalent to 6.98 inches of runoff over the entire drainage basin.
- Conservation pool storage empty is 2394 acre-feet which is equivalent to 0.22 inches of runoff over the entire drainage basin.
Gate Change
Conditions at the time of Gate Change- Tuesday, 01 Sep 2026 1100
- Pool Elevation = 1350.16 feet.
- Total Release = 9 (cfs)
- Gate Release = 9 (cfs)
- Gate Settings:
- 1 Low Flow Gates open 22.0 PERCENT
Evaporation Data
- 0.477 inches - 01SEP2026 @ 07:00
Reservoir Data
| Elevation | Incremental Storage | Cumulative Storage | |||
|---|---|---|---|---|---|
| (feet) | (inches of runoff)* | (acre-feet) | (inches of runoff)* | (acre-feet) | |
| Surcharge Pool: | 1360.00 | 1.62 | 17250 | 14.74 | 157210 |
| Flood Control Pool: | 1358.50 | 5.92 | 63123 | 13.12 | 139960 |
| Conservation Pool: | 1350.50 | 7.20 | 76836 | 7.20 | 76837 |
| Inactive Pool: | 1320.00 | 0.00 | 0 | 0.00 | 0 |
Streambed Elevation: 1301.00 feet.
Top of Dam Elevation: 1368.00 feet.
* Values in the above "inches of runoff" column are based on a contributing drainage area of 200.0 square miles.
Longitude: -97° 4' 55 Latitude: 38° 22' 20
Map of Marion Lake Dam
Links for More Information
Graphs
of Measured and Calculated Lake Parameters
NULL
Go to Tulsa District Water Control Home Page.
Disclaimer:These pages are subject to change.Last Page Update: Tuesday, 01 Sep 2026 18:03