Hiller Park Dam Reservoir Report

Last Updated: December 6, 2025

Hiller Park Dam, located in Biloxi, Mississippi, is a vital structure managed by the local government for recreational purposes.


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Summary

Completed in 1990, this Earth-type dam stands at 12 feet tall and spans 60 feet in length, holding a maximum storage capacity of 52 acre-feet with a normal storage level of 32 acre-feet. The dam overlooks Bayou Laporte and serves as a popular spot for outdoor activities such as fishing, boating, and picnicking.

Maintained by the Mississippi Department of Environmental Quality, Hiller Park Dam has a low hazard potential and is currently rated as "Not Rated" in terms of its condition assessment. Despite its moderate risk level, the dam has not been inspected in recent years and lacks updated emergency action plans. While it meets state regulatory standards for permitting, inspection, and enforcement, the dam may benefit from further risk assessment and management measures to ensure the safety of the surrounding community and environment.

For water resource and climate enthusiasts, Hiller Park Dam presents an opportunity to explore the intersection of infrastructure, water management, and recreation. As a key feature in the local landscape, the dam not only provides essential flood control and water storage capabilities but also offers a serene and inviting setting for residents and visitors to enjoy nature. With ongoing monitoring and potential upgrades, Hiller Park Dam can continue to serve as a valuable asset for both the community and the environment in the years to come.

Year Completed

1990

Dam Length

60

Dam Height

12

River Or Stream

BAYOU LAPORTE

Primary Dam Type

Earth

Surface Area

6.5

Drainage Area

0.7

Nid Storage

52

Hazard Potential

Low

Nid Height

12
       
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.