Zoglmann Reservoir

Zoglmann Reservoir is an earth dam located in Harney County, Oregon, built in 1963. It carries a Low hazard potential classification.

About Zoglmann Reservoir

The primary purpose of Zoglmann Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lee Wilson (private). It impounds the Gumboot Canyon near Riley.

The dam stands 28 feet tall and stretches 237 feet across, creates a reservoir covering 228 acres, has a maximum storage capacity of 3,000 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1963, the structure is well into its service life at over 50 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 07/20/2009. That was over 16 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyHarney
Nearest CityRiley
River/StreamGumboot Canyon
Coordinates43.60654, -119.45894

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height28 ft
Dam Length237 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage3,000 acre-ft
Max Storage3,000 acre-ft
Normal Storage2,533 acre-ft
Surface Area228 acres
Drainage Area25 sq mi
Max Discharge600 cfs

Ownership & Safety

PurposeIrrigation
OwnerLEE WILSON
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection07/20/2009
Emergency Action PlanNot Required

Identifiers

NID IDOR00399
Federal IDOR00399
More InfoState Dam Safety Program

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