Rex Moore Detention Dam Reservoir Report
Nearby: Messinger Dam 2 Messinger Dam
Last Updated: December 6, 2025
Located in Decatur, Kansas, the Rex Moore Detention Dam is a private earth dam designed by the USDA NRCS and completed in 1971 for the primary purpose of flood risk reduction along the Beaver Creek-TR.
°F
°F
mph
Wind
%
Humidity
Summary
Standing at a height of 30 feet with a length of 904 feet, the dam has a storage capacity of 201.47 acre-feet and a maximum discharge rate of 2760 cubic feet per second.
Managed by the Kansas Department of Agriculture, the dam is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and functionality. With a low hazard potential and a moderate risk assessment rating, the dam has not been assessed for its condition but is considered to meet guidelines for emergency action plans. The spillway, with a width of 200 feet, is uncontrolled, and there are no outlet gates or associated structures.
For water resource and climate enthusiasts, the Rex Moore Detention Dam serves as a vital infrastructure for mitigating flood risks in the region. Its strategic location and design, in conjunction with state oversight and management, make it an essential asset for protecting the surrounding area from potential water-related disasters. The dam's historical significance and ongoing role in water management highlight the importance of sustainable infrastructure for adapting to changing climate conditions and enhancing water resource resilience.
Year Completed |
1971 |
Dam Length |
904 |
Dam Height |
30 |
River Or Stream |
BEAVER CREEK-TR |
Primary Dam Type |
Earth |
Surface Area |
29.97 |
Hydraulic Height |
29 |
Drainage Area |
5.27 |
Nid Storage |
900 |
Structural Height |
30 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
30 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Rex Moore Detention Dam