Bayou Dupont No 22
Bayou Dupont No 22 is an earth dam located in Natchitoches Parish, Louisiana, built in 1959. It carries a Significant hazard potential classification and has a fair condition assessment.
About Bayou Dupont No 22
The primary purpose of Bayou Dupont No 22 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 Evans Family Llc (private). It impounds the Little River near Robeline.
The dam stands 36 feet tall and stretches 885 feet across, creates a reservoir covering 34 acres, has a maximum storage capacity of 591 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/23/2023.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Louisiana |
| County | Natchitoches |
| Nearest City | Robeline |
| River/Stream | Little River |
| Coordinates | 31.72200, -93.28400 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 30 ft |
| Dam Length | 885 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 591 acre-ft |
| Max Storage | 591 acre-ft |
| Normal Storage | 197 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Evans Family LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/23/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | LA00051 |
| Federal ID | LA00051 |
| More Info | State Dam Safety Program |