Big Sand Watershed Structure Y-32-14 Dam is an earth dam located in Carroll County, Mississippi, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 472 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-32-14 Dam
The primary purpose of Big Sand Watershed Structure Y-32-14 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 Unt of Sand Creek near Malmaison.
The dam stands 33 feet tall and stretches 472 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 434 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, 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. The most recent inspection on record was 12/16/2019.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Mississippi |
| County | Carroll |
| Nearest City | Malmaison |
| River/Stream | Unt of Sand Creek |
| Coordinates | 33.52635, -90.02212 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 472 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 434 acre-ft |
| Max Storage | 434 acre-ft |
| Normal Storage | 105 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 371 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/16/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS01062 |
| Federal ID | MS01062 |
| More Info | State Dam Safety Program |