Parrish Irrigation Pond Dam Reservoir Report

Last Updated: December 14, 2025

The Parrish Irrigation Pond Dam, located in Twin City, Georgia, was completed in 1979 and serves primarily for irrigation purposes.


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Summary

Designed by SCS, this Earth dam stands at a height of 19.6 feet with a hydraulic height of 18.5 feet and a structural height of 18.5 feet. The dam has a length of 625 feet and a storage capacity of 227 acre-feet, with a normal storage level of 182 acre-feet. The dam's hazard potential is rated as low, and its condition assessment is currently not rated.

Despite being privately owned, the dam is inspected periodically, with the last inspection taking place in February 2017. The inspection frequency is set at every 5 years, and the dam is deemed to have a moderate risk level. The spillway type for the dam is listed as uncontrolled, and the outlet gates are also classified as uncontrolled. While the dam is not regulated by the state, it falls under state jurisdiction and is subject to inspections as part of its maintenance and risk management measures. With its strategic location and crucial role in irrigation, the Parrish Irrigation Pond Dam stands as a vital structure in the water resource management of Emanuel County, Georgia.

Year Completed

1979

Dam Length

625

Dam Height

19.6

River Or Stream

UNKNOWN

Primary Dam Type

Earth

Surface Area

22

Hydraulic Height

18.5

Drainage Area

138

Nid Storage

227

Structural Height

18.5

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

20
       
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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