Alder

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateIdaho
CountyOwyhee
Nearest CityRIDDLE
River/StreamOTTER CREEK MARYS CREEK
Coordinates42.15860, -116.00620

Physical Characteristics

NID Height21 ft
Dam Height21 ft
Dam Length1,020 ft
Year Completed1909 (117 years old)

Storage & Hydraulics

NID Storage960 acre-ft
Normal Storage960 acre-ft
Surface Area120 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection06/07/2018
Emergency Action PlanNot Required

Identifiers

NID IDID00082
Federal IDID00082
More InfoState Dam Safety Program

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