Dd No 208 Reservoir Report

Last Updated: December 5, 2025

Dd No 208 is a flood risk reduction dam located in Dunlap, Morris County, Kansas.


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Summary

Built in 1981, this earth dam stands at a height of 23 feet and spans a length of 1180 feet, with a storage capacity of 212 acre-feet. The dam is situated on Rock Creek-TR and is regulated by the Kansas Department of Agriculture. It has a high hazard potential and undergoes regular inspections to ensure its structural integrity.

The primary purpose of Dd No 208 is flood risk reduction, and it serves as a critical infrastructure to protect the surrounding area from potential flooding events. The dam's spillway type is uncontrolled with a width of 82 feet, and it has a satisfactory condition assessment. While the risk assessment is moderate, the dam is equipped with emergency action plans to address any potential hazards and ensure the safety of nearby residents.

Located in the Kansas City District, Dd No 208 is owned and operated by the local government. It plays a vital role in managing water resources and mitigating the impacts of climate change in the region. With its strategic location and effective design, this dam serves as a valuable asset in protecting the community from flooding and preserving the integrity of the surrounding ecosystem.

Year Completed

1981

Dam Length

1180

Dam Height

23

River Or Stream

ROCK CREEK-TR

Primary Dam Type

Earth

Surface Area

6

Drainage Area

0.55

Nid Storage

212

Outlet Gates

None

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

23
       
Seasonal Comparison

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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.