Big Sand Watershed Structure Y-32-32 Dam Reservoir Report
Last Updated: December 6, 2025
The Big Sand Watershed Structure Y-32-32 Dam, also known as Billups Dam #3, is a key flood risk reduction infrastructure located in Carroll, Mississippi.
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Summary
Built in 1972 by the NRCS, this earth dam stands at a height of 25 feet and spans 644 feet in length, providing a storage capacity of 331 acre-feet.
The dam is state-regulated and inspected by the Mississippi Department of Environmental Quality to ensure its satisfactory condition and low hazard potential. It serves the primary purpose of flood risk reduction for the surrounding area, particularly along the UNT of Sand Creek. With a drainage area of 0.63 square miles and a normal storage capacity of 93 acre-feet, the dam plays a crucial role in managing water resources in the region.
Despite its moderate risk assessment, the Big Sand Watershed Structure Y-32-32 Dam continues to operate effectively, safeguarding the local community from potential flooding events. With its uncontrolled spillway and state-enforced regulatory measures, this dam stands as a testament to efficient water resource management and climate resilience in Mississippi.
Year Completed |
1972 |
Dam Length |
644 |
Dam Height |
25 |
River Or Stream |
UNT OF SAND CREEK |
Surface Area |
10 |
Drainage Area |
0.63 |
Nid Storage |
331 |
Hazard Potential |
Low |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Tallahatchie River At Money
|
6080cfs |
Batupan Bogue At Grenada
|
134cfs |
Yalobusha River At Grenada
|
3080cfs |
Abiaca Creek At Cruger
|
44cfs |
Big Black River At West
|
223cfs |
Harland Creek Nr Howard
|
3340cfs |
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-32-32 Dam