Boco Mo Dam Reservoir Report
Nearby: Hopper Dam County Downes Lake Dam
Last Updated: December 17, 2025
Boco Mo Dam, also known as Boco Mo Lake Dam, is a privately owned structure located in Columbia, Missouri.
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Summary
Completed in 1974, this earth dam stands at a height of 39 feet and spans a length of 912 feet. Its primary purpose is for recreation, offering a surface area of 64 acres and a maximum storage capacity of 759 acre-feet.
Situated on TR-Slacks Branch Creek, Boco Mo Dam is regulated and inspected by the Dam and Reservoir Safety Program in Missouri. With a high hazard potential but a satisfactory condition assessment, the dam poses a moderate risk according to a recent assessment. It features an uncontrolled spillway with a width of 118 feet and has a drainage area of 2000 acres, with a maximum discharge capacity of 1780 cubic feet per second.
Despite its private ownership, Boco Mo Dam plays a crucial role in water resource management and provides opportunities for recreational activities in the surrounding area. With its picturesque location and ample storage capacity, this dam continues to serve as a vital infrastructure for both local residents and visitors alike.
Year Completed |
1974 |
Dam Length |
912 |
Dam Height |
39 |
River Or Stream |
TR-SLACKS BR CR |
Surface Area |
64 |
Drainage Area |
2000 |
Nid Storage |
759 |
Structural Height |
39 |
Outlet Gates |
None |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
39 |
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.
Boco Mo Dam