Mathes Dam Reservoir Report
Last Updated: December 5, 2025
Mathes Dam, located in Viburnum, Missouri, is a private structure with a low hazard potential but moderate risk assessment.
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Summary
The dam stands at a height of 34.2 feet and has a length of 600 feet, providing a storage capacity of 24.3 acre-feet for water resources in the area. Constructed with buttress and stone core types, Mathes Dam serves as a crucial infrastructure for managing the flow of the unnamed river or stream it controls.
Despite being privately owned and not regulated by the state, Mathes Dam plays a significant role in water resource management in Iron County, Missouri. With a surface area of 2.2 acres and a drainage area of 4.3 acres, the dam helps control water flow and provides essential storage for irrigation, recreation, and wildlife habitats in the region. Although it has not been inspected or rated for condition assessment, the dam's structural design and purpose highlight its importance in the local ecosystem.
Water resource and climate enthusiasts can appreciate Mathes Dam for its unique design features, including an uncontrolled spillway and a stone core foundation. While it may not have a designated primary purpose or associated structures, the dam's existence contributes to the overall water management efforts in the St. Louis District. With a risk assessment indicating moderate risk and no emergency action plan in place, Mathes Dam presents an opportunity for further study and improvement to enhance its resilience in the face of changing climate conditions.
Dam Length |
600 |
Dam Height |
34.2 |
River Or Stream |
UNNAMED |
Surface Area |
2.2 |
Hydraulic Height |
34.2 |
Drainage Area |
4.3 |
Nid Storage |
24.3 |
Structural Height |
34.2 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
34 |
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Ozark Trail Gunstock Hollow
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Red Bluff
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Council Bluff Recreation Area
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Council Bluff - Wild Boar Ridge
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Hazel Creek
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Hazel Creek Campground
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Mathes Dam