Ben Norman Dam Reservoir Report
Nearby: Carbody (Nid) Moody Dam 1255
Last Updated: December 6, 2025
Ben Norman Dam, located in Sioux, Nebraska, is a privately owned structure designed by the USDA NRCS for irrigation purposes along the TR-Big Cottonwood Creek.
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Summary
Completed in 1943, this earth dam stands at a height of 22.1 feet and has a storage capacity of 374.8 acre-feet. With a fair condition assessment and low hazard potential, the dam is regulated by the Nebraska Department of Natural Resources and undergoes regular inspections and enforcement to ensure its safety and functionality.
This 740-foot long dam plays a crucial role in water resource management in the area, providing irrigation water for agricultural activities while also contributing to the overall water supply in the region. Managed by a private entity, the Ben Norman Dam serves as an important infrastructure for sustaining the local ecosystem and supporting the agricultural community. With a focus on sustainability and efficient water usage, the dam continues to play a vital role in maintaining water resources in Nebraska.
With a history dating back to the early 1940s, Ben Norman Dam exemplifies the importance of responsible water management and infrastructure development. As a key element in the local water supply system, the dam's design and construction by the Natural Resources Conservation Service reflect a commitment to ensuring water availability for irrigation and other purposes. As climate change and water scarcity become increasingly pressing issues, structures like Ben Norman Dam are essential for enhancing water resilience and adapting to changing environmental conditions in Nebraska.
Year Completed |
1943 |
Dam Length |
740 |
Dam Height |
22.1 |
River Or Stream |
TR-BIG COTTONWOOD CREEK |
Primary Dam Type |
Earth |
Surface Area |
39.4 |
Hydraulic Height |
19.6 |
Drainage Area |
4.38 |
Nid Storage |
374.8 |
Structural Height |
26 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
26 |
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Toadstool
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Toadstool Geological Park and Campground
|
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Soldier Creek
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Ben Norman Dam