Dd No 5-7 Reservoir Report

Last Updated: December 13, 2025

Dd No 5-7 is a local government-owned dam in Brown, Kansas, with a primary purpose of flood risk reduction.


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Summary

Built in 2001 by USDA NRCS, this earth dam stands at 26.2 feet tall and spans 925 feet in length. The dam has a storage capacity of 229 acre-feet, with a normal storage level of 57.6 acre-feet and a drainage area of 0.75 square miles.

Situated on Roy's Creek near the city of Nebraska, Dd No 5-7 has a low hazard potential and is currently not rated for condition assessment. The spillway is uncontrolled with a width of 70 feet, and there are no outlet gates associated with the dam. With a moderate risk assessment rating of 3, the dam is under the jurisdiction and regulatory oversight of the Kansas Department of Agriculture, ensuring state permitting, inspection, and enforcement protocols are in place for its operation and maintenance.

Overall, Dd No 5-7 serves as a vital infrastructure for flood risk management in the region, providing protection to the surrounding community. With its strategic location and design specifications, the dam plays a crucial role in safeguarding against potential inundation and mitigating the impact of extreme weather events on the local water resources and climate.

Year Completed

2001

Dam Length

925

Dam Height

26.2

River Or Stream

ROY'S CREEK-TR

Primary Dam Type

Earth

Surface Area

11.5

Drainage Area

0.75

Nid Storage

229

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

26
       
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.