Koppert Pond

Koppert Pond is an earth dam located in Lewis County, Washington, built in 1984. It carries a High hazard potential classification and has a fair condition assessment.

About Koppert Pond

The primary purpose of Koppert Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Freece, Warren & Judy (private). It impounds the Lacamas Creek-offstream.

The dam stands 11 feet tall and stretches 3,820 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 96 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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 08/14/2019.

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
CountyLewis
River/StreamLacamas Creek-offstream
Coordinates46.48325, -122.85707

Physical Characteristics

Dam TypeEarth
NID Height11 ft
Dam Length3,820 ft
Year Completed1984 (42 years old)

Storage & Hydraulics

NID Storage96 acre-ft
Max Storage96 acre-ft
Normal Storage66 acre-ft
Surface Area12 acres
Drainage Area0 sq mi
Max Discharge4 cfs

Ownership & Safety

PurposeRecreation
OwnerFreece, Warren & Judy
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection08/14/2019
Emergency Action PlanNo

Identifiers

NID IDWA00500
Federal IDWA00500
More InfoState Dam Safety Program

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