Deer Flat East Dike

Deer Flat East Dike is an earth dam located in Canyon County, Idaho, built in 1911. It carries a Low hazard potential classification.

About Deer Flat East Dike

The primary purpose of Deer Flat East Dike is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bureau Of Reclamation (federal). It impounds the Boise River Os near Lakeview.

The dam stands 18 feet tall and stretches 3,806 feet across, creates a reservoir covering 10,100 acres, has a maximum storage capacity of 159,000 acre-feet, and collects water from a drainage area of 92 square miles. Completed in 1911, the structure is over a century old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 06/28/2023.

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Low HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIdaho
CountyCanyon
Nearest CityLakeview
River/StreamBoise River Os
Coordinates43.51720, -116.58310

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length3,806 ft
Year Completed1911 (115 years old)

Storage & Hydraulics

NID Storage159,000 acre-ft
Max Storage159,000 acre-ft
Normal Storage159,000 acre-ft
Surface Area10,100 acres
Drainage Area92 sq mi
Spillway TypeNone

Ownership & Safety

PurposeIrrigation
OwnerBUREAU OF RECLAMATION
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Available
Last Inspection06/28/2023
Emergency Action PlanYes

Identifiers

NID IDID00276
Federal IDID00276S001
More InfoState Dam Safety Program

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