Big Sand Watershed Structure Y-32-03 Dam
Big Sand Watershed Structure Y-32-03 Dam is an earth dam located in Carroll County, Mississippi, built in 1966. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
About Big Sand Watershed Structure Y-32-03 Dam
The primary purpose of Big Sand Watershed Structure Y-32-03 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is local government-owned. It impounds the Billups Branch near North Carrollton.
The dam stands 21 feet tall and stretches 670 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 441 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 11/02/2022.
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Location
| State | Mississippi |
| County | Carroll |
| Nearest City | North Carrollton |
| River/Stream | Billups Branch |
| Coordinates | 33.53321, -89.94161 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 20 ft |
| Dam Length | 670 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 441 acre-ft |
| Max Storage | 441 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 11/02/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MS01053 |
| Federal ID | MS01053 |
| More Info | State Dam Safety Program |