Long Creek Watershed Y-11a-11 Dam Reservoir Report
Last Updated: December 5, 2025
The Long Creek Watershed Y-11a-11 Dam, also known as Vfw W/S Lake, is a vital structure located in Attala, Mississippi, designed by the USDA NRCS and completed in 1970.
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Summary
This earth dam serves the primary purpose of flood risk reduction, with a storage capacity of 862 acre-feet and a normal storage of 174 acre-feet. The dam spans over the TR- Long Creek river and is regulated by the Mississippi Department of Environmental Quality.
With a low hazard potential and a moderate risk assessment rating, the Long Creek Watershed Y-11a-11 Dam plays a crucial role in managing water resources in the region. The dam features an uncontrolled spillway and outlet gates, ensuring stable operations during times of high discharge. Despite its structural integrity not being rated, the dam continues to be inspected, regulated, and enforced by state authorities, highlighting the commitment to its maintenance and safety for both the local community and the environment.
Year Completed |
1970 |
Dam Height |
35 |
River Or Stream |
TR- LONG CREEK |
Primary Dam Type |
Earth |
Surface Area |
48.7 |
Drainage Area |
2.25 |
Nid Storage |
862 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
35 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Yockanookany River Nr Kosciusko
|
45cfs |
Big Black River At West
|
223cfs |
Yockanookany River Nr Ofahoma
|
103cfs |
Pearl River Nr Carthage
|
263cfs |
Pearl River At Edinburg
|
182cfs |
Pearl River Nr Lena
|
468cfs |
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.
Long Creek Watershed Y-11a-11 Dam