Lake Leone Dam
Lake Leone Dam is a buttress dam located in Aleutians West Census Area, Alaska, built in 1945. It carries a Significant hazard potential classification.
About Lake Leone Dam
The primary purpose of Lake Leone Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Aleut Corporation (private).
The dam stands 9 feet tall and stretches 24 feet across, and has a maximum storage capacity of 1,690 acre-feet. Completed in 1945, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 11/09/2011. That was over 14 years ago.
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Location
| State | Alaska |
| County | Aleutians West Census Area |
| Nearest City | Adak Naval Base |
| Coordinates | 51.84485, -176.64180 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 9 ft |
| Dam Length | 24 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 1,690 acre-ft |
| Max Storage | 1,690 acre-ft |
| Normal Storage | 1,545 acre-ft |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | ALEUT CORPORATION |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 11/09/2011 |
| Emergency Action Plan | No |
Identifiers
| NID ID | AK00109 |
| Federal ID | AK00109 |
| More Info | State Dam Safety Program |