Olympic Orchards Dam 2

Olympic Orchards Dam 2 is an earth dam located in Yakima County, Washington, built in 1985. It carries a High hazard potential classification and has a fair condition assessment.

About Olympic Orchards Dam 2

The primary purpose of Olympic Orchards Dam 2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Olympic Orchards, Llc (private). It impounds the Washout Creek near Sunnyside.

The dam stands 21 feet tall and stretches 300 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 18 acre-feet. Completed in 1985, the structure is 41 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. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 11/16/2021.

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: No

Location

StateWashington
CountyYakima
Nearest CitySunnyside
River/StreamWashout Creek
Coordinates46.39999, -119.99491

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Length300 ft
Year Completed1985 (41 years old)

Storage & Hydraulics

NID Storage18 acre-ft
Max Storage18 acre-ft
Normal Storage16 acre-ft
Surface Area1 acres
Max Discharge5 cfs

Ownership & Safety

PurposeIrrigation
OwnerOlympic Orchards, LLC
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection11/16/2021
Emergency Action PlanNo

Identifiers

NID IDWA01937
Federal IDWA01937
More InfoState Dam Safety Program

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