Payette Lake Upper

Payette Lake Upper is a dam located in Valley County, Idaho, built in 1953. It carries a Significant hazard potential classification and has a fair condition assessment.

About Payette Lake Upper

The primary purpose of Payette Lake Upper 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 North Fork Payette River Payette River near Mccall.

The dam stands 15 feet tall and stretches 70 feet across, creates a reservoir covering 315 acres, has a storage capacity of 2,400 acre-feet, and collects water from a drainage area of 42 square miles. Completed in 1953, the structure is well into its service life at over 50 years 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 07/16/2018.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateIdaho
CountyValley
Nearest CityMccall
River/StreamNorth Fork Payette River Payette River
Coordinates45.11100, -116.02660

Physical Characteristics

NID Height15 ft
Dam Height15 ft
Dam Length70 ft
Year Completed1953 (73 years old)

Storage & Hydraulics

NID Storage2,400 acre-ft
Normal Storage2,400 acre-ft
Surface Area315 acres
Drainage Area42 sq mi
Max Discharge1,070 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection07/16/2018
Emergency Action PlanNot Required

Identifiers

NID IDID00114
Federal IDID00114
More InfoState Dam Safety Program

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