Long Creek Watershed Y-11a-07 Dam
Long Creek Watershed Y-11a-07 Dam is an earth dam located in Attala County, Mississippi, built in 1970. It carries a Low hazard potential classification.
About Long Creek Watershed Y-11a-07 Dam
The primary purpose of Long Creek Watershed Y-11a-07 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 21 feet tall, creates a reservoir covering 24 acres, has a maximum storage capacity of 414 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, 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 | Attala |
| Coordinates | 33.05101, -89.70682 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 414 acre-ft |
| Max Storage | 414 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 24 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 | MS00015 |
| Federal ID | MS00015 |
| More Info | State Dam Safety Program |