Kranz Lake Dam Reservoir Report

Last Updated: December 11, 2025

Kranz Lake Dam, located in Sweet Springs, Missouri, was completed in 1972 and serves as a recreational site for water enthusiasts in the area.


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Summary

This private dam, with a height of 33 feet, has a storage capacity of 247 acre-feet and covers a surface area of 14 acres. Despite its relatively small size, the dam presents a high hazard potential, indicating the importance of proper maintenance and monitoring.

Owned and operated by a private entity, Kranz Lake Dam is primarily used for recreational purposes, attracting visitors looking to enjoy the serene surroundings of the Graham Branch of the Clear Fork of the Blackwater River. While the dam has not been rated for its condition assessment, its high hazard potential necessitates regular inspections and maintenance to ensure the safety of the surrounding community and the environment.

With a notable location in Johnson County, Missouri, Kranz Lake Dam stands as a significant water resource for the region. Although it is not regulated by the state and lacks certain safety measures like an Emergency Action Plan, the dam's role in providing recreational opportunities underscores the importance of water resource management and climate resilience in safeguarding our natural landscapes for future generations.

Year Completed

1972

Dam Height

33

River Or Stream

GRAHAM BR CLEAR FK BLACKWTR R

Primary Dam Type

Earth

Surface Area

14

Drainage Area

39

Nid Storage

247

Structural Height

33

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

33
       
Seasonal Comparison

Weather Forecast

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.