Wrg Bl 04 Reservoir Report

Last Updated: December 5, 2025

Wrg Bl 04, located in Polk, Florida, is a privately owned Earth dam on Saddle Creek with a primary purpose of tailings storage.


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Summary

Completed in 1956, this dam stands at 40 feet in height and has a maximum storage capacity of 7300 acre-feet. With a drainage area of 0.36 square miles and a surface area of 230 acres, Wrg Bl 04 plays a crucial role in managing water resources in the region.

Despite being categorized as having a low hazard potential and a moderate risk assessment, Wrg Bl 04 is not currently rated for its condition. The dam features an uncontrolled spillway with a width of 16 feet and has not undergone any modifications in recent years. The lack of updated emergency action plans and inspection records highlights the need for increased monitoring and maintenance to ensure the safety and effectiveness of this vital water resource infrastructure.

For water resource and climate enthusiasts, Wrg Bl 04 serves as a fascinating case study in the management of tailings storage and water control in Florida. The dam's role in mitigating flood risks and providing essential water storage underscores the importance of ongoing assessment and maintenance to safeguard against potential hazards. As discussions surrounding climate change and water scarcity continue to evolve, understanding the intricacies of dams like Wrg Bl 04 is essential for ensuring the sustainability of water resources in the face of a changing climate.

Year Completed

1956

Dam Length

9870

Dam Height

40

River Or Stream

SADDLE CREEK

Primary Dam Type

Earth

Surface Area

230

Hydraulic Height

35

Drainage Area

0.36

Nid Storage

7300

Structural Height

45

Hazard Potential

Low

Foundations

Soil

Nid Height

45
       
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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.