No Name Reservoir Report
Last Updated: December 8, 2025
No Name is a privately owned earth dam located in Grady, Oklahoma, with a primary purpose of debris control.
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Summary
Constructed in 1978 by the USDA NRCS, this dam stands at a height of 29 feet and spans 168 feet in length, with a storage capacity of 45 acre-feet. The dam's spillway is uncontrolled, with a width of 70 feet, and it has a low hazard potential with a moderate risk assessment rating.
Although No Name is not regulated or inspected by the state, it is funded, designed, and constructed by the Natural Resources Conservation Service. The dam's condition is currently not rated, and there is no emergency action plan in place. Despite these factors, the risk assessment for this dam is moderate, indicating a level of caution and attention to its maintenance and upkeep may be needed to ensure its continued safety and effectiveness in debris control. For water resource and climate enthusiasts, No Name offers an intriguing case study in the management and assessment of privately owned dams in the Oklahoma region.
Year Completed |
1978 |
Dam Length |
168 |
Dam Height |
29 |
Primary Dam Type |
Earth |
Surface Area |
4 |
Hydraulic Height |
29 |
Drainage Area |
1.59 |
Nid Storage |
45 |
Hazard Potential |
Low |
Nid Height |
29 |
Seasonal Comparison
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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.
No Name