Iman Lake Dam

Iman Lake Dam is an earth dam located in Skamania County, Washington, built in 1996. It carries a High hazard potential classification and has a fair condition assessment.

About Iman Lake Dam

The primary purpose of Iman Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Skamania Lodge (private). It impounds the Foster Creek.

The dam stands 16 feet tall and stretches 150 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 32 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1996, the structure is 30 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/13/2020.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Washington dam safety program can provide more specific information about emergency planning for this structure.

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

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWashington
CountySkamania
River/StreamFoster Creek
Coordinates45.69121, -121.91066

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Length150 ft
Year Completed1996 (30 years old)

Storage & Hydraulics

NID Storage32 acre-ft
Max Storage32 acre-ft
Normal Storage22 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge177 cfs

Ownership & Safety

PurposeIrrigation
OwnerSkamania Lodge
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection08/13/2020
Emergency Action PlanYes

Identifiers

NID IDWA01770
Federal IDWA01770
More InfoState Dam Safety Program

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