Timber Lake

Timber Lake is an earth dam located in Clackamas County, Oregon. It carries a Significant hazard potential classification.

About Timber Lake

The primary purpose of Timber Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Usda Fs (federal). It impounds the Bull Creek near Tree-lynx.

The dam stands 46 feet tall and stretches 440 feet across, and has a maximum storage capacity of 390 acre-feet.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 08/13/2015. That was over 10 years ago.

At 46 feet, this dam is taller than 91% of dams nationwide.

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Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyClackamas
Nearest CityTree-lynx
River/StreamBull Creek
Coordinates45.09186, -122.06680

Physical Characteristics

Dam TypeEarth
NID Height46 ft
Dam Height46 ft
Dam Length440 ft

Storage & Hydraulics

NID Storage390 acre-ft
Max Storage390 acre-ft
Normal Storage180 acre-ft
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerUSDA FS
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection08/13/2015
Emergency Action PlanNot Required

Identifiers

NID IDOR00281
Federal IDOR00281
More InfoState Dam Safety Program

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