Effluent Holding Pond #4 Reservoir Report
Last Updated: December 6, 2025
Effluent Holding Pond #4, located in Lowndes, Mississippi, was completed in 2016 and serves as a vital water resource for the area.
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Summary
Owned by a private entity, this earth dam structure stands at a height of 22 feet and has a storage capacity of 397.5 acre-feet. The pond covers a surface area of 23.5 acres and is primarily used for purposes other than flood control or irrigation.
Despite being unregulated by the state and having a low hazard potential, Effluent Holding Pond #4 plays a crucial role in managing water resources in the region. With an uncontrolled spillway type and no outlet gates, the pond is designed to handle moderate risks effectively. Although its condition assessment is not rated, the structure's risk management measures are in place to ensure its operational efficiency and safety. Water resource and climate enthusiasts will find this unique dam site intriguing for its design and purpose in the Mississippi landscape.
Year Completed |
2016 |
Dam Length |
4350 |
Dam Height |
22 |
River Or Stream |
UNNAMED |
Surface Area |
23.5 |
Hydraulic Height |
20 |
Drainage Area |
0.02 |
Nid Storage |
397.5 |
Structural Height |
22 |
Outlet Gates |
None |
Hazard Potential |
Low |
Nid Height |
22 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Tombigbee River At Stennis Lock And Dam
|
2610cfs |
Luxapallila Creek Nr Columbus
|
525cfs |
Catalpa Creek At Mayhew
|
2940cfs |
Tombigbee River At Bevill L&D Nr Pickensville
|
1550cfs |
Noxubee River At Macon
|
147cfs |
Buttahatchee River Nr Aberdeen
|
632cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Effluent Holding Pond #4