North Lake West Dam
North Lake West Dam is a rockfill dam located in Aleutians West Census Area, Alaska, built in 1945. It carries a Significant hazard potential classification.
About North Lake West Dam
The primary purpose of North Lake West 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 City Of Adak (local government).
The dam stands 10 feet tall and stretches 225 feet across, and has a maximum storage capacity of 56 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 | 51.96032, -176.58898 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 10 ft |
| Dam Length | 225 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 46 acre-ft |
| Max Discharge | 20 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF ADAK |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 11/09/2011 |
| Emergency Action Plan | No |
Identifiers
| NID ID | AK00106 |
| Federal ID | AK00106 |
| More Info | State Dam Safety Program |