Gilliland Lake Dam South Reservoir Report
Last Updated: December 18, 2025
Gilliland Lake Dam South, located in Livingston County, Missouri, was completed in 1977 and serves multiple purposes including fire protection, stock, and small fish pond management.
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Summary
This private dam is an earth-fill structure with a height of 25 feet, providing a storage capacity of 27 acre-feet. With a surface area of 2 acres and a drainage area of 55 square miles, the dam plays a crucial role in managing water resources in the region.
Although not regulated by the state, Gilliland Lake Dam South has a high hazard potential and its condition is currently rated as "Not Rated." Despite the lack of recent inspection data, the dam's emergency action plan status and risk assessment measures are currently unknown. With its strategic location in Bedford, Missouri, the dam remains a significant feature in the local landscape and is managed by a private owner for the benefit of the community.
For water resource and climate enthusiasts, Gilliland Lake Dam South offers a fascinating case study in dam construction and management. Its unique design and multi-purpose functionality highlight the importance of small-scale dams in supporting various activities while also raising questions about safety and risk assessment protocols. As a privately-owned structure, the dam's role in providing water storage and protection underscores the need for effective monitoring and maintenance practices to ensure its continued functionality and safety for the surrounding area.
Year Completed |
1977 |
Dam Height |
25 |
River Or Stream |
#NAME? |
Primary Dam Type |
Earth |
Surface Area |
2 |
Drainage Area |
55 |
Nid Storage |
27 |
Structural Height |
25 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Shoal Creek Near Braymer Mo
|
0cfs |
Grand River At Chillicothe
|
361cfs |
Grand River Near Gallatin
|
61cfs |
Grand River Near Sumner
|
223cfs |
Thompson River At Trenton
|
152cfs |
Wakenda Creek At Carrollton
|
39cfs |
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.
Gilliland Lake Dam South