Miller Lake Dam
Miller Lake Dam is an earth dam located in St. Landry Parish, Louisiana, built in 1954. It carries a Low hazard potential classification and has a fair condition assessment.
About Miller Lake Dam
The primary purpose of Miller Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lorraine Keowen (private). It impounds the Bayou Mallet near Prudhomme Community.
The dam stands 7 feet tall and stretches 5,640 feet across, creates a reservoir covering 44 acres, has a maximum storage capacity of 308 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1954, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 02/07/2023.
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Location
| State | Louisiana |
| County | St. Landry |
| Nearest City | Prudhomme Community |
| River/Stream | Bayou Mallet |
| Coordinates | 30.48154, -92.30725 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 5,640 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 308 acre-ft |
| Max Storage | 308 acre-ft |
| Normal Storage | 220 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 25 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lorraine Keowen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 02/07/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00247 |
| Federal ID | LA00247 |
| More Info | State Dam Safety Program |