Kohl Irrigation Lake-South Reservoir Report
Last Updated: December 18, 2025
Kohl Irrigation Lake-South, located in Vandalia, Missouri, is a privately owned earth dam structure built in 1975 for irrigation purposes.
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Summary
With a storage capacity of 135 acre-feet and a surface area of 18 acres, this reservoir serves as a vital water resource for the local community. Situated on the TR-Shady Creek, the dam height of 14 feet presents a high hazard potential, although its condition assessment is currently not rated.
Although not regulated or inspected by the state, Kohl Irrigation Lake-South plays a crucial role in supporting agricultural activities in the region. The dam's primary purpose of irrigation is complemented by recreational use, offering opportunities for leisure activities such as fishing and boating. Despite its age, the dam structure has not undergone any modifications or inspections since the last recorded assessment in July 1980.
As water resource and climate enthusiasts, the Kohl Irrigation Lake-South presents an intriguing case study of a privately owned reservoir with significant implications for water management and conservation efforts. The high hazard potential and lack of recent inspections highlight the importance of monitoring and maintaining infrastructure to ensure the safety and sustainability of water resources in the face of changing climatic conditions.
Year Completed |
1975 |
Dam Height |
14 |
River Or Stream |
TR-SHADY CREEK |
Primary Dam Type |
Earth |
Surface Area |
18 |
Drainage Area |
355 |
Nid Storage |
135 |
Structural Height |
14 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
14 |
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.
Kohl Irrigation Lake-South