Hornet Creek Upper North
Hornet Creek Upper North is a dam located in Washington County, Idaho, built in 1913. It carries a Significant hazard potential classification and has a fair condition assessment.
About Hornet Creek Upper North
The primary purpose of Hornet Creek Upper North is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is private-owned. It impounds the Hornet Creek Weiser River near Lower Hornet Dam.
The dam stands 21 feet tall and stretches 440 feet across, creates a reservoir covering 32 acres, has a storage capacity of 265 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1913, the structure is over a century old.
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. 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 08/18/2017.
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Location
| State | Idaho |
| County | Washington |
| Nearest City | Lower Hornet Dam |
| River/Stream | Hornet Creek Weiser River |
| Coordinates | 44.79948, -116.73249 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 440 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 265 acre-ft |
| Normal Storage | 265 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 67 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/18/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | ID00133 |
| Federal ID | ID00133 |
| More Info | State Dam Safety Program |