Johnston Lake Ms01169 Dam Reservoir Report

Last Updated: December 6, 2025

Johnston Lake MS01169 Dam, located in Stringer, Mississippi, is a privately-owned structure designed by the USDA NRCS for the primary purpose of recreation.


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Summary

This earth dam, completed in 1968, stands at a height of 21 feet and has a storage capacity of 144 acre-feet. Situated on the Roaring Creek tributary, this dam is regulated by the Mississippi Department of Environmental Quality and is inspected, permitted, and enforced by state agencies to ensure its safety and compliance with regulations.

With a low hazard potential and a moderate risk assessment rating, Johnston Lake MS01169 Dam provides a scenic recreational area for water resource and climate enthusiasts to enjoy. While the dam has uncontrolled spillways and outlet gates, it meets safety guidelines and has not been rated for its current condition. Although the dam has not been recently inspected or assessed for its emergency action plan, it remains a popular destination for outdoor activities and wildlife observation in Jasper County, Mississippi.

As part of the Vicksburg District, this dam offers a tranquil retreat for visitors to explore nature and engage in water-related activities. Its connection to the Roaring Creek adds to the ecological diversity of the area, making it a valuable resource for conservation and recreation. Johnston Lake MS01169 Dam serves as a reminder of the importance of sustainable water management and the need to protect our natural habitats in the face of climate change challenges.

Year Completed

1968

Dam Height

21

River Or Stream

TR- ROARING CREEK

Primary Dam Type

Earth

Nid Storage

144

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Soil

Nid Height

21
       
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.