Carl Dreyer Lake Dam Reservoir Report
Nearby: Cates Dam Easterday Dam East
Last Updated: December 14, 2025
Carl Dreyer Lake Dam, located in Montgomery County, Missouri, is a private earth dam constructed in 1969 primarily for recreation purposes.
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Summary
With a height of 26 feet and a length of 570 feet, this dam holds a storage capacity of 149 acre-feet and covers a surface area of 11 acres. The dam is situated on the TR-SMITH BRANCH of the St. Louis District, with a significant hazard potential due to its uncontrolled spillway and moderate risk assessment.
Despite not being regulated by the state, Carl Dreyer Lake Dam remains an essential structure for the local community, providing recreational opportunities and serving as a vital water resource. The dam's condition assessment is currently not rated, with the last inspection conducted in 1980. Although no emergency action plan is in place, the dam's risk management measures are deemed moderate. With its picturesque location and historical significance, Carl Dreyer Lake Dam stands as a testament to the intersection of water resource management and climate resilience in the region.
For water resource and climate enthusiasts, Carl Dreyer Lake Dam offers a fascinating case study in dam engineering and management practices. Its earth construction, stone core, and soil foundation highlight the intricate design elements that ensure the dam's structural integrity. As discussions around risk assessment, emergency preparedness, and regulatory oversight continue to evolve, this dam serves as a reminder of the importance of balancing human needs with environmental sustainability in the face of changing climatic conditions.
Year Completed |
1969 |
Dam Length |
570 |
Dam Height |
26 |
River Or Stream |
TR-SMITH BRANCH |
Primary Dam Type |
Earth |
Surface Area |
11 |
Hydraulic Height |
25 |
Drainage Area |
160 |
Nid Storage |
149 |
Structural Height |
27 |
Outlet Gates |
None |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
27 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Missouri River At Hermann
|
27500cfs |
Cuivre River Near Troy
|
83cfs |
South Fork Salt River Above Santa Fe
|
28cfs |
Long Branch Near Santa Fe
|
15cfs |
Lick Creek At Perry
|
4cfs |
Spencer Cr. Bl Plum Cr. Nr Frankford
|
24cfs |
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.
Carl Dreyer Lake Dam