Bayou Dupont No 17
Bayou Dupont No 17 is an earth dam located in Natchitoches Parish, Louisiana, built in 1958. It carries a Significant hazard potential classification and has a fair condition assessment.
About Bayou Dupont No 17
The primary purpose of Bayou Dupont No 17 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 Ajax Realty Company, Inc. (private). It impounds the Tr-crib Creek near Robeline.
The dam stands 36 feet tall and stretches 1,010 feet across, creates a reservoir covering 56 acres, has a maximum storage capacity of 951 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1958, 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 08/16/2023.
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 | Tr-crib Creek |
| Coordinates | 31.63500, -93.33600 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 28 ft |
| Dam Length | 1,010 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 951 acre-ft |
| Max Storage | 951 acre-ft |
| Normal Storage | 309 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 3,330 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Ajax Realty Company, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/16/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | LA00055 |
| Federal ID | LA00055 |
| More Info | State Dam Safety Program |