Potacocawa Watershed Structure Y-31a-13 Dam
Potacocawa Watershed Structure Y-31a-13 Dam is an earth dam located in Carroll County, Mississippi, built in 1966. It carries a Low hazard potential classification.
About Potacocawa Watershed Structure Y-31a-13 Dam
The primary purpose of Potacocawa Watershed Structure Y-31a-13 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 39 feet tall, creates a reservoir covering 82 acres, has a maximum storage capacity of 3,353 acre-feet, and collects water from a drainage area of 8 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 06/24/2019.
At 39 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Mississippi |
| County | Carroll |
| Coordinates | 33.63795, -89.86845 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 3,353 acre-ft |
| Max Storage | 3,353 acre-ft |
| Surface Area | 82 acres |
| Drainage Area | 8 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Last Inspection | 06/24/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS01081 |
| Federal ID | MS01081 |
| More Info | State Dam Safety Program |