Wilson Lake
Wilson Lake is a dam located in Jerome County, Idaho, built in 1909. It carries a Significant hazard potential classification and has a fair condition assessment.
About Wilson Lake
The primary purpose of Wilson Lake 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 Canal Snake River near Hunt.
The dam stands 31 feet tall and stretches 700 feet across, creates a reservoir covering 504 acres, has a maximum storage capacity of 4,600 acre-feet, and collects water from a drainage area of 135 square miles. Completed in 1909, 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 11/07/2017.
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Location
| State | Idaho |
| County | Jerome |
| Nearest City | Hunt |
| River/Stream | Canal Snake River |
| Coordinates | 42.62900, -114.17490 |
Physical Characteristics
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 700 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 4,600 acre-ft |
| Max Storage | 4,600 acre-ft |
| Normal Storage | 4,600 acre-ft |
| Surface Area | 504 acres |
| Drainage Area | 135 sq mi |
| Max Discharge | 1,278 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/07/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00020 |
| Federal ID | ID00020 |
| More Info | State Dam Safety Program |