Lake Osprey Dam
Lake Osprey Dam is a timber crib dam located in City and Borough of Sitka, Alaska, built in 1919. It carries a Low hazard potential classification.
About Lake Osprey Dam
The primary purpose of Lake Osprey 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 Usda Fs (federal). It impounds the Unknown.
The dam stands 8 feet tall and stretches 31 feet across, and has a maximum storage capacity of 1,250 acre-feet. Completed in 1919, the structure is over a century 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. The most recent inspection on record was 06/15/2017.
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Location
| State | Alaska |
| County | City and Borough of Sitka |
| River/Stream | Unknown |
| Coordinates | 56.39833, -134.66000 |
Physical Characteristics
| Dam Type | Timber Crib |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 31 ft |
| Year Completed | 1919 (107 years old) |
Storage & Hydraulics
| NID Storage | 1,250 acre-ft |
| Max Storage | 1,250 acre-ft |
| Normal Storage | 1,250 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/15/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AK00058 |
| Federal ID | AK00058 |
| More Info | State Dam Safety Program |