Ruble # Gp-3 Reservoir Report
Nearby: Ruble Gp #6 Ruble Gp 10
Last Updated: December 23, 2025
Located in Harper, Oklahoma, the Ruble # Gp-3 dam on Sand Creek was completed in 1959 by the USDA NRCS.
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Summary
This private earth dam stands at 25 feet high and has a storage capacity of 28 acre-feet. With a spillway width of 39 feet, the dam has a low hazard potential and is currently rated as moderate in terms of risk assessment.
Despite being privately owned, the Ruble # Gp-3 dam does not fall under state jurisdiction, permitting, inspection, or enforcement regulations. It serves the primary purpose of water resource management, with a normal storage capacity of 6 acre-feet and a drainage area of 0.27 square miles. The dam's uncontrolled spillway design ensures efficient water flow management during peak discharge events.
With a focus on water conservation and climate resilience, enthusiasts and stakeholders in the water resource industry can appreciate the strategic location and functional design of the Ruble # Gp-3 dam. Its contribution to flood control, irrigation, and water supply in the region highlights the importance of sustainable infrastructure for maintaining water security in Oklahoma.
Year Completed |
1959 |
Dam Length |
193 |
Dam Height |
25 |
River Or Stream |
SAND CREEK |
Primary Dam Type |
Earth |
Surface Area |
2 |
Hydraulic Height |
25 |
Drainage Area |
0.27 |
Nid Storage |
28 |
Hazard Potential |
Low |
Nid Height |
25 |
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.
Ruble # Gp-3