Hayden Lake is a dam located in Kootenai County, Idaho, built in 1910. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 13 ft13 ft tall and 1,525 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 Hayden Lake
Hayden Lake is a dam in Kootenai, Idaho. The dam is private-owned. It impounds the Hayden Creek Hayden Lake.
The dam stands 13 feet tall and stretches 1,525 feet across, creates a reservoir covering 4,200 acres, has a storage capacity of 38,000 acre-feet, and collects water from a drainage area of 64 square miles. Completed in 1910, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/27/2017.
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Location
| State | Idaho |
| County | Kootenai |
| River/Stream | Hayden Creek Hayden Lake |
| Coordinates | 47.75000, -116.75860 |
Physical Characteristics
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 1,525 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 38,000 acre-ft |
| Normal Storage | 38,000 acre-ft |
| Surface Area | 4,200 acres |
| Drainage Area | 64 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/27/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00262 |
| Federal ID | ID00262 |
| More Info | State Dam Safety Program |