Big Sand Watershed Structure Y-32-04 Dam is an earth dam located in Carroll County, Mississippi, built in 1964. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 850 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Big Sand Watershed Structure Y-32-04 Dam
The primary purpose of Big Sand Watershed Structure Y-32-04 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 25 feet tall and stretches 850 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 721 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1964, 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 11/08/2022.
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Location
| State | Mississippi |
| County | Carroll |
| Nearest City | North Carrollton |
| River/Stream | Billups Branch |
| Coordinates | 33.53032, -89.94915 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 20 ft |
| Dam Length | 850 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 721 acre-ft |
| Max Storage | 721 acre-ft |
| Normal Storage | 107 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 11/08/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MS01054 |
| Federal ID | MS01054 |
| More Info | State Dam Safety Program |