Abiaca Watershed Structure Y-34-28 Dam is an earth dam located in Carroll County, Mississippi, built in 1972. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 32 ft32 ft tall, taller than 74% 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 Abiaca Watershed Structure Y-34-28 Dam
The primary purpose of Abiaca Watershed Structure Y-34-28 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 owned by Abiaca Watershed District (local government).
The dam stands 32 feet tall, has a maximum storage capacity of 71 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, 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. The most recent inspection on record was 01/07/2020.
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Location
| State | Mississippi |
| County | Carroll |
| Coordinates | 33.33313, -90.00684 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 71 acre-ft |
| Max Storage | 71 acre-ft |
| Normal Storage | 27 acre-ft |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Abiaca Watershed District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 01/07/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS01622 |
| Federal ID | MS01622 |
| More Info | State Dam Safety Program |