Landolt Dam Reservoir Report

Last Updated: December 9, 2025

Landolt Dam, located in Montgomery County, Missouri, is a privately owned Earth buttress dam completed in 2006.


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Summary

The dam stands at a height of 56 feet and has a length of 1091 feet, with a storage capacity of 653 acre-feet and a surface area of 27 acres. It regulates the flow of an unnamed tributary of Pinch Creek, with a drainage area of 225 square miles.

Despite being classified with a high hazard potential, Landolt Dam has been assessed to be in satisfactory condition as of December 2007. Regular inspections are carried out with a frequency of every three years, with the last inspection conducted in April 2018. The dam is under state regulation, permitting, and enforcement, with the Dam and Reservoir Safety Program overseeing its safety and compliance.

Climate and water resource enthusiasts will be intrigued by Landolt Dam's role in managing water flow and storage in the region. The dam's design and construction, as well as its risk assessment and emergency preparedness measures, contribute to its importance in ensuring water resource sustainability and safety in Montgomery County, Missouri.

Year Completed

2006

Dam Length

1091

Dam Height

56

River Or Stream

UNAMED TRIB. OF PINCH CREEK

Surface Area

27

Drainage Area

225

Nid Storage

653

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

56
       
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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.