Miller Dam Reservoir Report

Last Updated: December 6, 2025

Miller Dam, also known as Ottawa Storage Dam No 2, is a local government-owned structure located in Ottawa, Kansas.


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Summary

Completed in 1938, this buttress dam stands at a height of 10 feet and spans 155 feet in length. Its primary purpose is water supply, and it is situated on the Marais Des Cygnes River, providing a maximum storage capacity of 450 acre-feet.

Managed by the Kansas Department of Agriculture, Miller Dam is regulated, permitted, inspected, and enforced by the state, ensuring its safety and compliance with regulations. With a low hazard potential and a condition assessment of "Not Rated," the dam serves as a vital water resource for the region. Despite not having a designated spillway type or outlet gates, the dam maintains a normal storage capacity of 450 acre-feet, contributing to the water supply needs of the area.

Located in Franklin County, Kansas, Miller Dam serves as a crucial infrastructure for water supply purposes. With its historical significance dating back to the 1930s, the dam continues to play a vital role in water management and climate resilience efforts in the region. Enthusiasts of water resources and climate sustainability will appreciate the role that Miller Dam plays in ensuring water availability and security for the local community.

Year Completed

1938

Dam Length

155

Dam Height

10

River Or Stream

MARAIS DES CYGNES RIVER

Hydraulic Height

9

Nid Storage

450

Structural Height

10

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

10
       
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.