Bayou Desiard Upper Milhaven Dam
Key Takeaway
Bayou Desiard Upper Milhaven Dam is classified as low hazard in Louisiana. It was completed in 1940 and is 86 years old. Its primary use is water supply.
Physical Details
| Dam Height | 19 ft (taller than 55.9% in LA) |
| Dam Length | 475 ft |
| Dam Type | Earth |
| Max Storage | 6.5K acre-ft |
| Normal Storage | 3.3K acre-ft |
| Surface Area | 650 acres |
| Drainage Area | 20 sq mi |
| Max Discharge | 300 cfs |
| Year Completed | 1940 (86 years old) |
| Year Modified | 1970 |
| NID ID | LA00735 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Ouachita Parish Police Jury
Local Government
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Bayou Desiard Upper Milhaven Dam?
Bayou Desiard Upper Milhaven Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Bayou Desiard Upper Milhaven Dam?
Bayou Desiard Upper Milhaven Dam is owned by Ouachita Parish Police Jury (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bayou Desiard Upper Milhaven Dam built?
Bayou Desiard Upper Milhaven Dam was completed in 1940, making it 86 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Bayou Desiard Upper Milhaven Dam?
Bayou Desiard Upper Milhaven Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Bayou Desiard Upper Milhaven Dam?
Bayou Desiard Upper Milhaven Dam has a dam height of 19 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Bayou Desiard Upper Milhaven Dam last inspected?
Bayou Desiard Upper Milhaven Dam was last inspected on January 8, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.