Smithport Lake Dam
Smithport Lake Dam is an earth dam located in De Soto Parish, Louisiana, built in 1953. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Smithport Lake Dam
The primary purpose of Smithport Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Bayou Pierre Game And Fish Commission (local government). It impounds the Samson Channel near Grand Bayou.
The dam stands 18 feet tall and stretches 2,500 feet across, creates a reservoir covering 3,028 acres, has a maximum storage capacity of 42,000 acre-feet, and collects water from a drainage area of 205 square miles. Completed in 1953, 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. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 10/22/2024.
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Location
| State | Louisiana |
| County | De Soto |
| Nearest City | Grand Bayou |
| River/Stream | Samson Channel |
| Coordinates | 32.11634, -93.56413 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 2,500 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 42,000 acre-ft |
| Max Storage | 42,000 acre-ft |
| Normal Storage | 11,500 acre-ft |
| Surface Area | 3,028 acres |
| Drainage Area | 205 sq mi |
| Max Discharge | 40,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Bayou Pierre Game and Fish Commission |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 10/22/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | LA00028 |
| Federal ID | LA00028 |
| More Info | State Dam Safety Program |