Tenoroc Lake 5b Reservoir Report

Last Updated: December 5, 2025

Tenoroc Lake 5b is a state-owned dam located in Polk County, Florida, specifically in the city of Lakeland.


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Summary

Completed in 1950, this Earth-type dam stands at a height of 25 feet and has a hydraulic height of 20 feet. It serves primarily for tailings storage, with a storage capacity of 2800 acre-feet and a normal storage level of 2440 acre-feet. The dam spans a length of 7730 feet and is situated on Saddle Creek, with a drainage area of 0.19 square miles.

Despite its low hazard potential, Tenoroc Lake 5b has a moderate risk assessment rating of 3, indicating the need for proper risk management measures. The dam has not been rated for its condition assessment, and the last inspection took place in January 2006. The spillway type is uncontrolled, with a width of 6 feet, and the dam has not been modified in recent years. Overall, Tenoroc Lake 5b presents an interesting case study for water resource and climate enthusiasts, showcasing the intersection of infrastructure management and environmental stewardship in the state of Florida.

Year Completed

1950

Dam Length

7730

Dam Height

25

River Or Stream

SADDLE CREEK

Primary Dam Type

Earth

Surface Area

122

Hydraulic Height

20

Drainage Area

0.19

Nid Storage

2800

Structural Height

28

Hazard Potential

Low

Foundations

Soil

Nid Height

28
       
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.