Kingsford A-6 Reservoir Report

Nearby: Nichols N-4

Last Updated: December 5, 2025

Kingsford A-6 is a privately owned dam located in Polk, Florida, along the Alafia River.


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Summary

Built in 1964, this earth dam stands at 30 feet high and spans 8000 feet in length, with a storage capacity of 2100 acre-feet. The primary purpose of Kingsford A-6 is to manage tailings, making it a crucial structure for water resource management in the area.

Despite its age, Kingsford A-6 is classified as a significant hazard potential dam with a condition assessment of "Not Rated". It is regulated by the state of Florida and undergoes regular inspections, but there is no information available on emergency preparedness protocols or risk assessment measures. With a maximum discharge capacity of 450 cubic feet per second, the dam plays a key role in flood control and water supply management in the region.

As an essential part of the water infrastructure in Polk County, Kingsford A-6 presents an intriguing case study for water resource and climate enthusiasts. Its historical significance and ongoing role in managing water resources along the Alafia River make it a valuable piece of engineering that showcases the intersection of human development and environmental stewardship in the region.

Year Completed

1964

Dam Length

8000

Dam Height

30

River Or Stream

ALAFIA RIVER

Primary Dam Type

Earth

Surface Area

70

Hydraulic Height

30

Nid Storage

2100

Structural Height

25

Hazard Potential

Significant

Nid Height

30
       
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.