Piney Point(3) Reservoir Report

Last Updated: December 5, 2025

Piney Point(3) is a private dam located in Manatee, Florida, along the Piney Point Creek.


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Summary

The dam, primarily used for tailings storage, stands at a height of 105 feet with a hydraulic height of 95 feet. It has a maximum storage capacity of 896 acre-feet and covers a surface area of 45 acres. The dam is regulated by the state of Florida and has provisions for state permitting, inspection, and enforcement.

The significant hazard potential of Piney Point(3) is underscored by its very high risk assessment rating of 1. Despite this, the dam's condition assessment is marked as "not rated," indicating a lack of recent evaluation of its structural integrity. The dam's spillway type is controlled, with a width of 64 feet to manage a maximum discharge of 110 cubic feet per second. The dam's location in a highly populated area adds urgency to the need for comprehensive risk management measures to mitigate potential hazards and ensure the safety of nearby residents and ecosystems.

Given the dam's critical status and risk level, it is imperative that emergency action plans (EAP) and inundation maps are prepared and regularly updated to guide response protocols in case of emergencies. The dam's risk management framework should include rigorous inspection protocols, structural assessments, and maintenance practices to ensure the dam's stability and prevent any potential catastrophic events. With its significant hazard potential and very high risk assessment, Piney Point(3) serves as a stark reminder of the importance of proactive and comprehensive water resource management in the face of climate challenges.

Dam Length

7234

Dam Height

100

River Or Stream

PINEY POINT CREEK

Primary Dam Type

Earth

Surface Area

45

Hydraulic Height

95

Drainage Area

0.07

Nid Storage

896

Structural Height

105

Hazard Potential

Significant

Nid Height

105
       
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.