Chiwapa Watershed Structure 49 Dam Reservoir Report
Nearby: Ms04357 Lake Dam Ms04356 Lake Dam
Last Updated: December 6, 2025
Chiwapa Watershed Structure 49 Dam, also known as Chiwapa Creek Dam 49, is a crucial earth dam located in Nettleton, Mississippi.
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Summary
Built in 1966 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction in the Chiwapa Creek watershed. With a height of 24 feet and a length of 660 feet, the dam has a storage capacity of 240 acre-feet, providing crucial protection to the surrounding areas during periods of heavy rainfall.
Managed by the local government and regulated by the Mississippi Department of Environmental Quality, Chiwapa Watershed Structure 49 Dam has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. The dam features an uncontrolled spillway and outlet gates, ensuring effective water flow management during times of excess water. Despite being moderate risk rated, the dam has not been assigned a Risk Char Summary, and further risk management measures are not specified in the available data.
As an essential component of the flood control infrastructure in the region, Chiwapa Watershed Structure 49 Dam plays a vital role in protecting the surrounding communities from potential water-related disasters. With its strategic location and design features, this dam stands as a testament to the collaborative efforts between government agencies and the local community in safeguarding water resources and mitigating the impacts of climate variability in the Chiwapa Creek watershed.
Year Completed |
1966 |
Dam Length |
660 |
Dam Height |
24 |
River Or Stream |
CHIWAPA CREEK |
Primary Dam Type |
Earth |
Surface Area |
19.5 |
Drainage Area |
1.02 |
Nid Storage |
240 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
24 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Town Creek At Eason Boulevard At Tupelo
|
65cfs |
Little Tallahatchie River At Etta
|
156cfs |
Town Creek Nr Nettleton
|
144cfs |
Twentymile Creek Nr Guntown
|
23cfs |
Skuna River At Bruce
|
30cfs |
Tombigbee River Nr Amory
|
3330cfs |
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.
Chiwapa Watershed Structure 49 Dam