Troublesome Cr Watershed Site 84-1 Reservoir Report
Last Updated: December 15, 2025
Troublesome Cr Watershed Site 84-1, located in Audubon, Iowa, is a significant earth dam completed in 1976 for fire protection, stock, or small fish pond purposes, as well as flood risk reduction.
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Summary
Managed by the USDA NRCS, this local government-owned structure stands at a height of 32 feet and has a storage capacity of 177 acre-feet. The dam, situated on TR-East Nishnabotna River, spans 545 feet and covers a drainage area of 1.16 square miles.
With a hazard potential rated as significant and a moderate risk assessment, Troublesome Cr Watershed Site 84-1 is under the regulatory jurisdiction of the Iowa DNR. The dam, designed for fire protection and water management, is subject to state permitting, inspection, and enforcement, ensuring its safety and functionality. Despite not being rated for its condition, this earth dam plays a crucial role in water resource management in the region, highlighting the importance of sustainable infrastructure for climate resilience and emergency preparedness.
Year Completed |
1976 |
Dam Length |
545 |
Dam Height |
32 |
River Or Stream |
TR-EAST NISHNABOTNA |
Primary Dam Type |
Earth |
Surface Area |
8 |
Drainage Area |
1.16 |
Nid Storage |
177 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
32 |
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.
Troublesome Cr Watershed Site 84-1