Stennett-Red Oak Watershed Site 4 Reservoir Report
Last Updated: December 14, 2025
Stennett-Red Oak Watershed Site 4, located in Montgomery County, Iowa, is a local government-owned dam designed by the USDA NRCS for fire protection, stock, and small fish pond purposes.
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Summary
Completed in 1971, this earth dam stands at a height of 29 feet and has a storage capacity of 18 acre-feet. Situated on TR-Nishnabotna River, this dam serves to reduce flood risks in the area, covering a drainage area of 0.15 square miles.
With a low hazard potential and a moderate risk assessment rating of 3, Stennett-Red Oak Watershed Site 4 is regulated and inspected by the Iowa DNR. The dam's spillway type is uncontrolled, and it has not been modified since its completion. Despite being not rated in terms of condition assessment, this dam is crucial for both water resource management and environmental conservation efforts in the region. As part of the Omaha District, this dam plays a significant role in ensuring the safety and sustainability of the surrounding ecosystem.
As an important structure in the region, Stennett-Red Oak Watershed Site 4 stands as a testament to the collaborative efforts of various agencies in managing water resources effectively. With its strategic location and purposeful design, this dam reflects a commitment to fire protection, stock maintenance, and flood risk reduction. As climate change continues to impact water resources, the significance of structures like this one becomes even more pronounced, highlighting the need for ongoing regulation, inspection, and management to ensure their continued functionality and environmental impact.
Year Completed |
1971 |
Dam Height |
29 |
River Or Stream |
TR- NISHNABOTNA RIVER |
Primary Dam Type |
Earth |
Surface Area |
2 |
Drainage Area |
0.15 |
Nid Storage |
18 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
29 |
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 |
|---|---|---|
Legion City Park
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Pilot Grove Co Park
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Viking Lake State Park Campground
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Viking Lake State Park
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Stennett-Red Oak Watershed Site 4