Jim Hall Lake Reservoir Report
Nearby: Oknoname 111059 Oknoname 111058
Last Updated: December 6, 2025
Jim Hall Lake, located in Okmulgee, Oklahoma, is a vital water resource managed by the local government for water supply purposes.
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Summary
Built in 1928, this Earth-type dam stands at 49 feet high and spans 2400 feet, with a storage capacity of 11,550 acre-feet and a surface area of 525 acres. The lake is fed by Wolf Creek and serves as a crucial source of water for the surrounding area.
Despite its importance, Jim Hall Lake poses a high hazard potential due to its poor condition assessment, prompting the need for regular inspections and maintenance. The controlled spillway and valve outlet gate help manage potential risks, but the lake's very high risk assessment rating highlights the importance of proactive risk management measures. The local regulatory agency, OWRB, ensures that the dam meets state regulations and is inspected regularly to prevent any potential emergencies.
Water resource and climate enthusiasts visiting Jim Hall Lake in FOUR CORNERS can appreciate its historical significance and the engineering marvel of the dam while also recognizing the importance of ongoing maintenance and risk management to ensure the safety and sustainability of this critical water supply infrastructure in Oklahoma.
Year Completed |
1928 |
Dam Length |
2400 |
Dam Height |
49 |
River Or Stream |
WOLF CREEK |
Primary Dam Type |
Earth |
Surface Area |
525 |
Hydraulic Height |
49 |
Drainage Area |
20.31 |
Nid Storage |
11550 |
Structural Height |
49 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
High |
Nid Height |
49 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
North Canadian River Near Wetumka
|
209cfs |
Deep Fork Near Beggs
|
141cfs |
Arkansas River Near Haskell
|
4870cfs |
Canadian River At Calvin
|
361cfs |
Canadian River Near Whitefield
|
1190cfs |
Little Haikey Creek At 101st St South At Tulsa
|
0cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Jim Hall Lake