Humboldt Creek Reservoir Dam is an earth dam located in Aleutians East Borough, Alaska. It carries a Significant hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 395 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Humboldt Creek Reservoir Dam
The primary purpose of Humboldt Creek Reservoir 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 Sand Point (local government). It impounds the Humboldt Creek near Sand Point.
The dam stands 19 feet tall and stretches 395 feet across, creates a reservoir covering 11 acres, and has a maximum storage capacity of 55 acre-feet.
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.
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Location
| State | Alaska |
| County | Aleutians East Borough |
| Nearest City | Sand Point |
| River/Stream | Humboldt Creek |
| Coordinates | 55.34237, -160.48349 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 395 ft |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 11 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Sand Point |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AK00268 |
| Federal ID | AK00268 |
| More Info | State Dam Safety Program |