Lake 2 Dam Reservoir Report

Last Updated: January 11, 2026

Lake 2 Dam, located in Pilot Knob, Missouri, is a gravity dam primarily used for water supply purposes.


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Summary

Built in 1968, this privately owned structure stands at a height of 15 feet and has a storage capacity of 104 acre-feet. Situated on the East Branch Knob Creek, the dam serves the surrounding area by providing a normal storage capacity of 40 acre-feet and covering a surface area of 13 acres.

Despite being privately owned, Lake 2 Dam has low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. The dam has not been inspected recently, but its emergency action plan status, risk assessment, and risk management measures remain undisclosed. With no associated structures and a drainage area of 900 acres, Lake 2 Dam plays a crucial role in maintaining water supply for the region, and its presence contributes to the conservation and management of water resources in the area.

While the dam does not fall under state jurisdiction or regulation, it serves as a vital component in the local water infrastructure. With its buttress core type and unlisted/unknown foundations, Lake 2 Dam continues to support the community by ensuring a reliable water supply. As water resource and climate enthusiasts, understanding the significance of structures like Lake 2 Dam is essential in promoting sustainable water management practices and safeguarding our natural resources for future generations.

Year Completed

1968

Dam Height

15

River Or Stream

EAST BRANCH KNOB CREEK

Primary Dam Type

Gravity

Surface Area

13

Drainage Area

900

Nid Storage

104

Structural Height

15

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

15
       
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.