Endorf Irrigation Dam Reservoir Report
Last Updated: December 6, 2025
Endorf Irrigation Dam, located in Fillmore County, Nebraska, stands as a vital structure for agricultural water management in the region.
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Summary
Built in 1987 by the USDA NRCS, this private-owned earth dam is primarily designed for irrigation purposes, with a height of 20 feet and a storage capacity of 109 acre-feet. The dam spans 488 feet in length and sits along Walnut Creek, offering a sustainable water source for local farmers.
Managed and regulated by the Nebraska Department of Natural Resources, Endorf Irrigation Dam is subject to state inspection, permitting, and enforcement to ensure its structural integrity and operational efficiency. Despite its low hazard potential and fair condition assessment, the dam plays a crucial role in the irrigation infrastructure of the area, serving as a reliable water source for agricultural activities. With a drainage area of 0.37 square miles and a maximum discharge capacity of 205 cubic feet per second, this dam contributes significantly to water resource management in the region.
Endorf Irrigation Dam's importance lies not just in its physical attributes but also in its impact on the local community and economy. With a surface area of 6.5 acres and a normal storage capacity of 29.5 acre-feet, the dam supports sustainable agriculture practices and ensures water availability for crops. As a key component of the irrigation network, this earth dam exemplifies the intersection of water resource management and climate resilience, showcasing the essential role of infrastructure in supporting agricultural sustainability in Nebraska.
Year Completed |
1987 |
Dam Length |
488 |
Dam Height |
20 |
River Or Stream |
TR-WALNUT CREEK |
Primary Dam Type |
Earth |
Surface Area |
6.5 |
Hydraulic Height |
18 |
Drainage Area |
0.37 |
Nid Storage |
109 |
Structural Height |
20 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
20 |
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.
Endorf Irrigation Dam
Lone Star