Lyle Combs Reservoir Report
Nearby: Oknoname 30219 Noel Kaiser Dam
Last Updated: December 5, 2025
Lyle Combs is a private water resource structure located in Custer, Oklahoma, along a tributary to the South Canadian River.
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Summary
Managed by the USDA NRCS, this dam serves a primary purpose designated as 'Other'. With a height of 38.5 feet and a storage capacity of 54.9 acre-feet, Lyle Combs plays a crucial role in regulating water flow and storage within the area.
Despite being classified as having a low hazard potential, Lyle Combs is considered to have a very high risk assessment, with a rating of 1. While the condition assessment is currently listed as 'Not Rated', the dam is subject to regular inspections every 5 years to ensure its structural integrity and safety. The dam features a controlled spillway with a width of 2 feet, and has a maximum discharge capacity of 59.4 cubic feet per second.
As a key component in water resource management in the region, Lyle Combs is subject to state regulation and oversight by the Oklahoma Water Resources Board (OWRB). With its strategic location and design, this dam plays a critical role in water storage, flood control, and overall environmental stewardship in Custer County, Oklahoma.
Dam Length |
150 |
Dam Height |
38.5 |
River Or Stream |
TRIBUTARY TO SOUTH CANADIAN |
Surface Area |
1.7 |
Hydraulic Height |
29.7 |
Drainage Area |
0.6 |
Nid Storage |
54.9 |
Structural Height |
38.6 |
Hazard Potential |
Low |
Nid Height |
39 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Lyle Combs