Mueller Lake Dam Reservoir Report
Nearby: Kehr Lake Dam Windy Hill Lake Dam
Last Updated: December 8, 2025
Mueller Lake Dam, located in Gasconade County, Missouri, is a privately owned earth dam that was completed in 1960.
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Summary
The dam stands at a height of 23 feet and has a storage capacity of 775 acre-feet, with a normal storage level of 35 acre-feet. Situated on Soap Creek, the dam serves as a vital water resource for the surrounding area, providing irrigation and recreational opportunities for local residents.
Despite its low hazard potential and current "Not Rated" condition assessment, Mueller Lake Dam has not been subject to state inspection, permitting, or enforcement processes. The dam's management and maintenance fall under private ownership, with no federal agency involvement in its design, construction, or regulation. The dam's proximity to Union, Missouri, makes it a significant feature in the region's water infrastructure, contributing to the overall environmental and recreational landscape.
As water resource and climate enthusiasts, the Mueller Lake Dam presents an intriguing case study in private dam ownership and management. Its historical significance, engineering design, and impact on local water systems make it a compelling subject for further exploration and research. Understanding the role of dams like Mueller Lake in balancing water resource needs and environmental sustainability is crucial in the face of changing climate patterns and increasing water demands.
Year Completed |
1960 |
Dam Height |
23 |
River Or Stream |
SOAP CREEK |
Primary Dam Type |
Earth |
Surface Area |
63 |
Drainage Area |
85 |
Nid Storage |
775 |
Structural Height |
23 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
23 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Bourbeuse River Near High Gate
|
1cfs |
Meramec River Near Sullivan
|
461cfs |
Gasconade River Near Rich Fountain
|
987cfs |
Bourbeuse River At Union
|
113cfs |
Meramec River Near Steelville
|
224cfs |
Missouri River At Hermann
|
32900cfs |
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.
Mueller Lake Dam