Noralyn N-6 Reservoir Report

Last Updated: December 5, 2025

Noralyn N-6 is a privately owned dam located in Polk, Florida, specifically in the city of Fort Meade.


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Summary

Completed in 1960, this earth dam stands at a height of 25 feet and has a length of 4300 feet. It serves a primary purpose that falls under the category of "Other", with a storage capacity of 3200 acre-feet and a surface area of 128 acres. The dam is situated on an unnamed lake and is regulated by the state of Florida, with permitting, inspection, and enforcement activities all carried out by state agencies.

With its significant hazard potential, Noralyn N-6 poses a risk that requires careful management and monitoring. Despite being in operation for several decades, the dam's condition has not been officially assessed or rated. Emergency action plans, inundation maps, and risk assessments have not been prepared or updated, indicating a need for improved emergency preparedness measures. The dam's location in a populated area underscores the importance of ensuring its safety and resilience to withstand potential hazards and emergencies.

For water resource and climate enthusiasts, Noralyn N-6 presents an intriguing case study in dam management and safety. The dam's historical significance, coupled with its current regulatory status and lack of comprehensive risk assessment, highlight the complex challenges faced in maintaining critical infrastructure while safeguarding communities and the environment. As discussions around climate change and water resource management continue to grow, Noralyn N-6 serves as a reminder of the ongoing need for proactive measures to address the risks associated with aging dams and ensure their long-term sustainability in a changing climate.

Year Completed

1960

Dam Length

4300

Dam Height

25

River Or Stream

UNNAMED LAKE

Primary Dam Type

Earth

Surface Area

128

Hydraulic Height

25

Nid Storage

3200

Structural Height

20

Hazard Potential

Significant

Nid Height

25
       
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.