Singer Dam Reservoir Report

Last Updated: December 6, 2025

Singer Dam, located in Oakland Mills, Iowa, is a privately owned structure designed by USDA NRCS for fire protection, stock, or a small fish pond.


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Summary

Completed in 1963, this earth dam stands at 27 feet tall and spans 308 feet in length, with a storage capacity of 56 acre-feet. The dam is situated on TR-Jones Creek in Jefferson County, Iowa, and is regulated by the Iowa Department of Natural Resources. Despite its low hazard potential and moderate risk assessment, the dam's condition remains unrated as of the last inspection in 1968.

With a surface area of 4.5 acres and a drainage area of 0.12 square miles, Singer Dam serves as an essential water resource for the surrounding area. Although it has not undergone any modifications in recent years, the dam continues to play a crucial role in providing water for fire protection and supporting local wildlife. The dam's uncontrolled spillway and soil foundation contribute to its functional design, ensuring its operational effectiveness for years to come.

As water resource and climate enthusiasts, the Singer Dam presents an intriguing case study in sustainable water management. With its private ownership and state regulation, the dam exemplifies the collaboration between different stakeholders to ensure the safety and integrity of the structure. Its location on TR-Jones Creek and proximity to Oakland Mills make it a focal point for water conservation efforts in Jefferson County, highlighting the importance of maintaining and monitoring such vital infrastructure in the face of evolving climate challenges.

Year Completed

1963

Dam Length

308

Dam Height

27

River Or Stream

TR-JONES CREEK

Primary Dam Type

Earth

Surface Area

4.5

Drainage Area

0.12

Nid Storage

56

Hazard Potential

Low

Foundations

Soil

Nid Height

27
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.