Rasa Reservoir Report

Last Updated: December 12, 2025

Rasa, Robert Lake Dam, located in Lafayette, Missouri, was completed in 1957 and serves as a crucial resource for fish and wildlife management in the area.


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Summary

The dam, primarily constructed of earth and stone, stands at a height of 30 feet and has a storage capacity of 36 acre-feet. With a focus on fire protection, irrigation, and recreation, the dam plays a vital role in maintaining the ecological balance of the surrounding environment.

The dam's low hazard potential and moderate risk assessment make it a key asset for the community, providing essential functions while ensuring safety and security. Despite not being state-regulated or inspected, the dam's condition is currently rated as "Not Rated," indicating a need for further assessment and monitoring. With its location along the TR-Missouri River and close proximity to Kansas City District, Rasa, Robert Lake Dam stands as a testament to sustainable water resource management and climate resilience efforts in the region.

As climate change continues to impact water resources and ecosystems, the importance of structures like Rasa, Robert Lake Dam cannot be overstated. With its multiple purposes, including grade stabilization and stock and small fish pond management, the dam plays a significant role in preserving the natural habitat and supporting biodiversity. As efforts to enhance risk management and emergency preparedness for the dam progress, it remains a symbol of the intersection between water resource management, climate adaptation, and ecological conservation in the Missouri region.

Year Completed

1957

Dam Length

180

Dam Height

30

River Or Stream

TR-MISSOURI RIVER

Primary Dam Type

Earth

Surface Area

1

Hydraulic Height

29

Drainage Area

320

Nid Storage

36

Structural Height

31

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

31
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.