King City New Reservoir Dam Reservoir Report

Last Updated: December 6, 2025

The King City New Reservoir Dam, located in Gentry, Missouri, was completed in 1956 and serves as a vital water supply infrastructure in the area.


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Summary

Owned by the local government, this Earth-type dam stands at a height of 34 feet and has a storage capacity of 673 acre-feet, with a normal storage level of 395 acre-feet. The dam spans across the TR-WILLOW CREEK, providing water for various purposes in the region.

With a surface area of 37 acres and a drainage area of 500 square miles, the King City New Reservoir Dam plays a crucial role in managing water resources and ensuring a stable water supply for the surrounding areas. Despite its high hazard potential, the dam is currently rated as "Not Rated" in terms of condition assessment, highlighting the need for ongoing monitoring and maintenance to ensure its reliability and safety for the community.

As a key component of water resource management, the King City New Reservoir Dam exemplifies the importance of infrastructure for climate resilience and sustainable water supply. With its strategic location and significant storage capacity, this dam not only provides essential water resources but also underscores the need for continued investment and attention to ensure its long-term effectiveness in meeting the region's water supply needs.

Year Completed

1956

Dam Height

34

River Or Stream

TR-WILLOW CREEK

Primary Dam Type

Earth

Surface Area

37

Drainage Area

500

Nid Storage

673

Structural Height

34

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

34
       
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.