Mont Milner Lake Reservoir Report

Last Updated: December 5, 2025

Mont Milner Lake in Franklin, Tennessee, is a private water resource regulated by the Tennessee Safe Dams Program.


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Summary

This Earth dam, completed in 1972, stands at a structural height of 18.2 feet and has a hydraulic height of 14.2 feet. With a storage capacity of 153 acre-feet, the lake covers a surface area of 15 acres and drains an area of 0.26 square miles through the Two Mile Branch.

Despite its significant hazard potential, Mont Milner Lake maintains a satisfactory condition assessment and undergoes inspections every two years. The dam's spillway is classified as uncontrolled, and it lacks outlet gates. In the event of an emergency, the dam's Emergency Action Plan status and risk management measures are not explicitly mentioned. Overall, Mont Milner Lake presents a moderate risk level and serves as a crucial feature within Tennessee's water infrastructure.

Year Completed

1972

Dam Length

818

River Or Stream

TWO MILE BRANCH

Primary Dam Type

Earth

Surface Area

15

Hydraulic Height

14.2

Drainage Area

0.26

Nid Storage

153

Structural Height

18.2

Outlet Gates

None

Hazard Potential

Significant

Nid Height

18
       
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.
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Area Campgrounds