Mononame 310 Reservoir Report
Nearby: Covington Dam Mononame 636
Last Updated: December 6, 2025
Mononame 310, located in Vernon County, Missouri, is a private earth dam primarily used for recreational purposes along the TR Robinson Branch.
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Summary
Built in 1972, this dam stands at a height of 13 feet and has a storage capacity of 70 acre-feet. With a low hazard potential and a condition assessment of "Not Rated," this structure has not been inspected recently but is maintained for safe recreational use.
Owned privately, Mononame 310 serves as a popular spot for outdoor activities in the Oak Ridge area, offering a surface area of 10 acres and a normal storage capacity of 26 acre-feet. Although not regulated by the state, this dam provides a tranquil setting for visitors to enjoy the natural surroundings. With its picturesque location and historical significance, Mononame 310 continues to attract water resource and climate enthusiasts seeking a peaceful retreat in the heart of Missouri.
Despite its age, Mononame 310 remains a well-maintained recreational site, with no major modifications or upgrades reported in recent years. While lacking a formal Emergency Action Plan (EAP) and risk assessment, the dam's low hazard potential and safe condition make it a popular destination for outdoor enthusiasts. As a part of the Kansas City District, this earth dam exemplifies the harmony between human recreation and responsible water resource management in the region.
Year Completed |
1972 |
Dam Height |
13 |
River Or Stream |
TR ROBINSON BRANCH |
Primary Dam Type |
Earth |
Surface Area |
10 |
Drainage Area |
148 |
Nid Storage |
70 |
Structural Height |
13 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
13 |
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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.
Mononame 310