Mill Creek Dam Reservoir Report

Last Updated: December 7, 2025

Mill Creek Dam, located in Saline, Louisiana, is a state-regulated earth dam that serves primarily for recreational purposes.


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Summary

Built in 1971 by the Louisiana Department of Public Works, this dam stands at a height of 67 feet and spans a length of 1540 feet, creating a reservoir with a normal storage capacity of 7750 acre-feet. The dam is situated on Mill Creek, within Bienville County, and is under the jurisdiction of the Louisiana Department of Transportation and Development.

With a hazard potential rated as high and a fair condition assessment as of June 2020, Mill Creek Dam is equipped with an uncontrolled spillway and slide (sluice gate) outlet gates. The dam's maximum discharge capacity is 4680 cubic feet per second, making it crucial for managing floodwaters and ensuring the safety of downstream areas. Despite its moderate risk rating, the dam has not been modified in recent years, highlighting the importance of regular inspections and maintenance to uphold its structural integrity and safeguard the surrounding community. Mill Creek Dam serves as a vital infrastructure for both water resource management and recreational activities in the region, showcasing the intersection between human-made structures and natural ecosystems in the face of changing climates.

Year Completed

1971

Dam Length

1540

Dam Height

67

River Or Stream

MILL CREEK

Primary Dam Type

Earth

Surface Area

580

Hydraulic Height

49

Drainage Area

13

Nid Storage

21400

Structural Height

67

Outlet Gates

Slide (sluice gate)

Hazard Potential

High

Foundations

Soil

Nid Height

67
       
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.