Potacocawa Watershed Structure Y-31a-28 Dam
Potacocawa Watershed Structure Y-31a-28 Dam is an earth dam located in Carroll County, Mississippi, built in 1974. It carries a Low hazard potential classification.
About Potacocawa Watershed Structure Y-31a-28 Dam
The primary purpose of Potacocawa Watershed Structure Y-31a-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 local government-owned.
The dam stands 25 feet tall, creates a reservoir covering 7 acres, has a maximum storage capacity of 182 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, 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.
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Location
| State | Mississippi |
| County | Carroll |
| Coordinates | 33.66414, -90.03887 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 182 acre-ft |
| Max Storage | 182 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS01589 |
| Federal ID | MS01589 |
| More Info | State Dam Safety Program |