Rastetter Dam Reservoir Report

Last Updated: December 6, 2025

Rastetter Dam, located in Davis County, Iowa, is a privately owned structure designed by USDA NRCS and completed in 1997.


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Summary

The dam serves multiple purposes including fire protection and creating a small fish pond, with a storage capacity of 110 acre-feet and a surface area of 7.4 acres. The dam is situated on Hickory Branch, a tributary of the State of Missouri, and is regulated by the Iowa Department of Natural Resources.

With a height of 17 feet and a length of 442 feet, Rastetter Dam has a low hazard potential and is currently rated as "Not Rated" in terms of its condition assessment. Despite its moderate risk level, the dam has not been inspected in recent years and lacks an Emergency Action Plan. The dam's spillway is uncontrolled, with no outlet gates or locks present. While the dam has not been modified since its completion, its management and maintenance remain crucial for water resource and climate enthusiasts in the region.

Year Completed

1997

Dam Length

442

Dam Height

17

River Or Stream

HICKORY BRANCH

Primary Dam Type

Earth

Surface Area

7.4

Drainage Area

0.38

Nid Storage

110

Hazard Potential

Low

Foundations

Soil

Nid Height

17
       
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.
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Area Campgrounds