Terral Pond Reservoir Report

Last Updated: December 10, 2025

Terral Pond, also known as Terral Lake, is a private water resource in Union, Louisiana, designed by USDA NRCS and regulated by the Louisiana Department of Transportation and Development.


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Summary

This fish and wildlife pond, completed in 1970, serves multiple purposes including fire protection, stock, small fish pond, and recreation. With a dam height of 15 feet and a storage capacity of 234 acre-feet, Terral Pond covers a surface area of 24 acres and has a drainage area of 0.93 square miles.

Located in Mount Union along TR-Cypress Creek, Terral Pond's spillway type is uncontrolled, with a width of 100 feet, and a maximum discharge of 1294 cubic feet per second. Despite being classified as a low hazard potential structure with fair condition assessment, the pond undergoes inspections every five years to ensure its safety and functionality. With a moderate risk assessment score of 3, Terral Pond is a noteworthy feature for water resource and climate enthusiasts in the Vicksburg District.

Terral Pond offers a picturesque setting for wildlife enthusiasts and outdoor recreational activities. With its earth dam structure, stone core, and soil foundation, this man-made water body provides essential habitat for fish and wildlife while also serving as a source of enjoyment for visitors. The pond's historical significance, coupled with its environmental impact and regulatory oversight, makes it a focal point for those interested in water resource management and climate resilience in the region.

Year Completed

1970

Dam Length

390

Dam Height

15

River Or Stream

TR-CYPRESS CREEK

Primary Dam Type

Earth

Surface Area

24

Hydraulic Height

15

Drainage Area

0.93

Nid Storage

234

Structural Height

18

Hazard Potential

Low

Foundations

Soil

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.