Beach Dam Reservoir Report

Last Updated: December 5, 2025

Beach Dam, located in Skunk River, Iowa, is a privately-owned earth dam designed by USDA NRCS and completed in 1965 for fire protection, stock, and small fish pond purposes.


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Summary

With a height of 33 feet and a length of 324 feet, the dam has a storage capacity of 208 acre-feet and covers a surface area of 11.5 acres in the TR-Mud Creek watershed. The dam is regulated and inspected by the Iowa DNR, ensuring its compliance with state permitting and enforcement requirements.

Despite its low hazard potential and moderate risk assessment, Beach Dam lacks a current condition assessment and Emergency Action Plan (EAP). The dam's spillway type is uncontrolled, with no outlet gates or locks, posing minimal risk to downstream areas. The dam's foundation is made of soil, and its hydraulic height is zero, indicating limited water flow through the structure. Overall, Beach Dam serves as a vital resource for local fire protection and aquatic habitat support, highlighting the importance of ongoing monitoring and maintenance to ensure its safe operation and longevity.

Year Completed

1965

Dam Length

324

Dam Height

33

River Or Stream

TR-MUD CREEK

Primary Dam Type

Earth

Surface Area

11.5

Drainage Area

0.7

Nid Storage

208

Hazard Potential

Low

Foundations

Soil

Nid Height

33
       
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.