Big Sand Watershed Structure Y-32-18 Dam Reservoir Report
Last Updated: April 1, 2026
The Big Sand Watershed Structure Y-32-18 Dam, also known as Arnold Dam, is a crucial flood risk reduction infrastructure located in Carroll County, Mississippi.
Summary
Owned and regulated by the local government, this earth dam stands at a height of 41 feet and was completed in 1965. Managed by the USDA NRCS, the dam's primary purpose is to mitigate the risk of flooding along the Pushswinerbie Creek, with a storage capacity of 1573 acre-feet.
Despite being classified with a low hazard potential, the dam's condition assessment in 2015 was deemed poor, highlighting the need for maintenance and inspection. The uncontrolled spillway and outlet gates further emphasize the importance of regular monitoring to ensure the structural integrity of the dam. With a moderate risk assessment rating, there is a call for enhanced risk management measures to safeguard the surrounding communities and the environment. For water resource and climate enthusiasts, the Big Sand Watershed Structure Y-32-18 Dam serves as a focal point for understanding the intersection of infrastructure, water management, and environmental stewardship in the face of changing climatic conditions.
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15-Day Weather Outlook
Year Completed |
1965 |
Dam Height |
41 |
River Or Stream |
PUSHSWINERBIE CREEK |
Primary Dam Type |
Earth |
Drainage Area |
4.29 |
Nid Storage |
1573 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
41 |
Seasonal Comparison
5-Day Hourly Forecast Detail
Nearby Streamflow Levels
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.
Big Sand Watershed Structure Y-32-18 Dam