Westgate Lake Dam Reservoir Report

Last Updated: December 20, 2025

Westgate Lake Dam, located in St.


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Summary

Charles, Missouri, was completed in 1972 and serves as a primary recreational spot for water resource and climate enthusiasts. The dam, primarily owned by a private entity, stands at a height of 33 feet and has a storage capacity of 71 acre-feet. With a surface area of 4 acres and a drainage area of 41 square miles, the dam provides essential recreational activities such as fishing, boating, and wildlife observation.

Despite being designated as having a high hazard potential, Westgate Lake Dam has not been rated for its condition assessment. The dam overlooks the TR to Smith Creek and falls under the jurisdiction of the Kansas City District. Although the dam's primary purpose is for recreation, its structural integrity and safety measures have not been fully evaluated since its last inspection in 1981. Water enthusiasts visiting the area should be aware of the potential risks associated with the dam and stay informed about any updates related to its safety protocols.

For water resource and climate enthusiasts looking to explore Westgate Lake Dam, it is important to note that the dam is privately owned and not regulated by the state. The dam's hazard potential and risk assessment remain unknown, raising concerns about its safety and emergency preparedness. As visitors engage in recreational activities around the dam, it is advised to exercise caution and stay informed about any potential risks or updates regarding its condition assessment.

Year Completed

1972

Dam Height

33

River Or Stream

TR TO SMITH CREEK

Primary Dam Type

Earth

Surface Area

4

Drainage Area

41

Nid Storage

71

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.