Rmgc South Rib Dam Reservoir Report
Last Updated: December 13, 2025
The Rmgc South Rib Dam, located in Nye County, Nevada, is a privately owned structure designed by Knight-Piesold and completed in 2005.
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Summary
This Earth-type dam stands at a height of 8 feet and has a hydraulic height of 5 feet, with a total structural height of 13 feet. The dam's primary purpose is listed as "Other" and it serves as a crucial water resource in the region, with a storage capacity of 143.6 acre-feet and a normal storage level of 88.1 acre-feet.
Despite its low hazard potential and fair condition assessment, the Rmgc South Rib Dam has undergone modifications in 2010 to enhance its hydraulic and structural integrity. The dam's spillway type is uncontrolled, with a width of 10 feet, and it has a maximum discharge capacity of 300 cubic feet per second. The dam's risk assessment is considered moderate, with a DSAC assigned date not specified, indicating a proactive approach to risk management and emergency preparedness. With its critical role in water storage and management, the Rmgc South Rib Dam is a key component in the region's water resource infrastructure.
In the event of an emergency, the Rmgc South Rib Dam's condition assessment and risk management measures will be crucial in ensuring the safety of downstream communities and the surrounding environment. With its strategic location and importance in water resource management, this dam serves as a vital asset in mitigating the impacts of climate change and ensuring sustainable water supply for the region. As water resource and climate enthusiasts, it is imperative to monitor and support initiatives that promote the safety and efficiency of structures like the Rmgc South Rib Dam to secure the resilience of our water infrastructure in the face of evolving environmental challenges.
Years Modified |
2010 - Hydraulic, 2010 - Structural |
Year Completed |
2005 |
Dam Length |
3300 |
Dam Height |
8 |
River Or Stream |
UNNAMED |
Primary Dam Type |
Earth |
Surface Area |
37 |
Hydraulic Height |
5 |
Drainage Area |
5 |
Nid Storage |
143.6 |
Structural Height |
13 |
Outlet Gates |
None - 0 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
13 |
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.
Rmgc South Rib Dam
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