Nix Mill Pond Dam Reservoir Report

Last Updated: December 5, 2025

Nix Mill Pond Dam, located in the Nix Mill Community of Alabama, is a rockfill dam constructed in 1800 with a primary purpose of "Other." The dam, situated on Edgar Branch, has a hydraulic height of 25 feet and a structural height of 25 feet, providing a maximum storage capacity of 55 acre-feet.


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Summary

Despite its age, the dam has a low hazard potential and has not been rated for its condition assessment.

Operated by a private owner, Nix Mill Pond Dam is not regulated or inspected by the state, and is not under federal jurisdiction. The dam does not have a spillway and is not equipped with outlet gates. With a maximum discharge of 140 cubic feet per second, the dam serves as a critical structure for water resource management in the area. Although the dam has not been modified in recent years, its emergency action plan status and risk management measures remain unknown.

Despite its historical significance and low hazard potential, Nix Mill Pond Dam's condition assessment and emergency preparedness remain unclear, highlighting the need for further evaluation and risk management measures to ensure the safety and sustainability of this important water resource infrastructure in Alabama.

Year Completed

1800

Dam Length

60

River Or Stream

EDGAR BRANCH

Primary Dam Type

Rockfill

Hydraulic Height

25

Nid Storage

55

Structural Height

25

Hazard Potential

Low

Nid Height

25
       
Seasonal Comparison

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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.