Petes Slough

Petes Slough is an earth dam located in Columbia County, Oregon, built in 1980. It carries a Low hazard potential classification.

About Petes Slough

The primary purpose of Petes Slough is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Oregon Department Of Fish And Wildlife (state). It impounds the Petes Slough near No Downstream Settlement.

The dam stands 16 feet tall and stretches 175 feet across, creates a reservoir covering 347 acres, has a maximum storage capacity of 2,000 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 07/18/2018.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyColumbia
Nearest CityNo Downstream Settlement
River/StreamPetes Slough
Coordinates45.76008, -122.79699

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Height14 ft
Dam Length175 ft
Year Completed1980 (46 years old)

Storage & Hydraulics

NID Storage2,000 acre-ft
Max Storage2,000 acre-ft
Normal Storage1,040 acre-ft
Surface Area347 acres
Drainage Area0 sq mi
Max Discharge849 cfs

Ownership & Safety

PurposeRecreation
OwnerOREGON DEPARTMENT OF FISH AND WILDLIFE
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection07/18/2018
Emergency Action PlanNot Required

Identifiers

NID IDOR00643
Federal IDOR00643
More InfoState Dam Safety Program

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