Clear Lake Saddle Dam

Clear Lake Saddle Dam is an earth dam located in Chelan County, Washington, built in 1888. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Clear Lake Saddle Dam

The primary purpose of Clear Lake Saddle Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Stemilt Irrigation District (public utility). It impounds the Tr-stemilt Creek To Columbia R near Malaga.

The dam stands 8 feet tall and stretches 240 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 48 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1888, the structure is over a century 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/18/2021.

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 HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyChelan
Nearest CityMalaga
River/StreamTr-stemilt Creek To Columbia R
Coordinates47.29663, -120.30279

Physical Characteristics

Dam TypeEarth
NID Height8 ft
Dam Length240 ft
Year Completed1888 (138 years old)

Storage & Hydraulics

NID Storage48 acre-ft
Max Storage48 acre-ft
Normal Storage45 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge7 cfs

Ownership & Safety

PurposeIrrigation
OwnerStemilt Irrigation District
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection05/18/2021
Emergency Action PlanYes

Identifiers

NID IDWA00411
Federal IDWA00411
More InfoState Dam Safety Program

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