Little Sni-A-Bar Creek Dam 41 Reservoir Report
Last Updated: December 11, 2025
Little Sni-A-Bar Creek Dam 41, located in Lafayette, Missouri, is a vital structure designed by the USDA NRCS in 1974 for the primary purpose of grade stabilization along the TR-Little Sni-A-Bar Creek.
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Summary
This earth dam stands at a height of 30 feet with a structural height of 32 feet and a length of 400 feet, providing a maximum storage capacity of 82 acre-feet. The dam serves to control water flow, with a spillway width of 20 feet and a maximum discharge rate of 130 cubic feet per second, contributing to the overall water resource management in the area.
Despite its low hazard potential and moderate risk assessment, Little Sni-A-Bar Creek Dam 41 has not been rated for its condition assessment. It does not have outlet gates or associated structures, and its emergency action plan status remains unclear. The dam's location in a region with a drainage area of 198 square miles highlights its importance in mitigating potential flood risks and ensuring the stability of the surrounding ecosystem. For water resource and climate enthusiasts, this dam serves as a critical infrastructure for sustainable water management practices in the Kansas City District, showcasing the collaborative efforts between local government agencies and the USDA NRCS.
Year Completed |
1974 |
Dam Length |
400 |
Dam Height |
30 |
River Or Stream |
TR-LITTLE SNI-A-BAR CREEK |
Primary Dam Type |
Earth |
Surface Area |
5 |
Hydraulic Height |
30 |
Drainage Area |
198 |
Nid Storage |
82 |
Structural Height |
32 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
32 |
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.
Little Sni-A-Bar Creek Dam 41