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.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateIdaho
CountyJerome
Nearest CityHunt
River/StreamCanal Snake River
Coordinates42.62900, -114.17490

Physical Characteristics

NID Height31 ft
Dam Height31 ft
Dam Length700 ft
Year Completed1909 (117 years old)

Storage & Hydraulics

NID Storage4,600 acre-ft
Max Storage4,600 acre-ft
Normal Storage4,600 acre-ft
Surface Area504 acres
Drainage Area135 sq mi
Max Discharge1,278 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection11/07/2017
Emergency Action PlanNot Required

Identifiers

NID IDID00020
Federal IDID00020
More InfoState Dam Safety Program

Nearby Dams