Big Sand Watershed Structure Y-32-19 Dam is an earth dam located in Carroll County, Mississippi, built in 1967. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 513 ft long, taller than 76% 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-32-19 Dam
The primary purpose of Big Sand Watershed Structure Y-32-19 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 Big Sand Creek near Greenwood City Center.
The dam stands 33 feet tall and stretches 513 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 378 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 12/12/2019.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Mississippi |
| County | Carroll |
| Nearest City | Greenwood City Center |
| River/Stream | Big Sand Creek |
| Coordinates | 33.54573, -90.05654 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 513 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 378 acre-ft |
| Max Storage | 378 acre-ft |
| Normal Storage | 123 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 12/12/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS01067 |
| Federal ID | MS01067 |
| More Info | State Dam Safety Program |