Tuscumbia Watershed Structure 30 Dam is an earth dam located in Alcorn County, Mississippi, built in 1995. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 1,385 ft long, taller than 62% 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 Tuscumbia Watershed Structure 30 Dam
The primary purpose of Tuscumbia Watershed Structure 30 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 Tuscumbia River Water Management District (local government). It impounds the Parmicha Creek.
The dam stands 28 feet tall and stretches 1,385 feet across, creates a reservoir covering 85 acres, has a maximum storage capacity of 1,696 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1995, the structure is 31 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 01/10/2022.
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Location
| State | Mississippi |
| County | Alcorn |
| River/Stream | Parmicha Creek |
| Coordinates | 34.81564, -88.62483 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 1,385 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 1,696 acre-ft |
| Max Storage | 1,696 acre-ft |
| Normal Storage | 299 acre-ft |
| Surface Area | 85 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 94 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Tuscumbia River Water Management District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/10/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS03342 |
| Federal ID | MS03342 |
| More Info | State Dam Safety Program |