Jsc Farms Dam Reservoir Report

Last Updated: December 11, 2025

Jsc Farms Dam, located in Dallas County, Iowa, along the TR- Bulger Creek, is a privately owned earth dam with a primary purpose of recreation.


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Summary

Built in 1995 by designers Vance & Hochstetler, this dam stands at a height of 49 feet and has a length of 740 feet, providing a maximum storage capacity of 823 acre-feet and a normal storage capacity of 480 acre-feet. With a surface area of 28.4 acres and a drainage area of 1.07 square miles, Jsc Farms Dam plays a vital role in fire protection, stock watering, and serving as a small fish pond besides offering recreational opportunities.

The dam is regulated by the Iowa Department of Natural Resources and is subject to regular inspections to ensure its structural integrity. The last inspection conducted in July 2017 deemed the dam to be in satisfactory condition. Despite its significant hazard potential, the risk assessment for Jsc Farms Dam is moderate, indicating that appropriate risk management measures are in place. With its uncontrolled spillway and soil foundation, the dam presents an important water resource for the surrounding area, while also posing potential risks that require careful monitoring and maintenance.

Overall, Jsc Farms Dam embodies a balance between serving as a recreational amenity and fulfilling practical water resource needs in the region. Its location in the Rock Island District and its compliance with state regulations demonstrate a commitment to safety and environmental stewardship. As a focal point for water enthusiasts and climate advocates, Jsc Farms Dam stands as a testament to responsible dam management and the importance of sustainable water resource practices in Iowa.

Year Completed

1995

Dam Length

740

Dam Height

49

River Or Stream

TR- BULGER CREEK

Primary Dam Type

Earth

Surface Area

28.4

Drainage Area

1.07

Nid Storage

823

Hazard Potential

Significant

Foundations

Soil

Nid Height

49
       
Seasonal Comparison

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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.