Bump Farm Reservoir

Bump Farm Reservoir is an earth dam located in Washington County, Oregon, built in 1956. It carries a Low hazard potential classification.

About Bump Farm Reservoir

The primary purpose of Bump Farm Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Spyglass Properties (private). It impounds the East Dairy Creek, Trib To near Mountaindale.

The dam stands 39 feet tall and stretches 400 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 97 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1956, 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 10/25/2016.

At 39 feet, this dam is taller than 86% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: No

Location

StateOregon
CountyWashington
Nearest CityMountaindale
River/StreamEast Dairy Creek, Trib To
Coordinates45.71403, -123.08498

Physical Characteristics

Dam TypeEarth
NID Height39 ft
Dam Height38 ft
Dam Length400 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage97 acre-ft
Max Storage97 acre-ft
Normal Storage89 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge130 cfs

Ownership & Safety

PurposeIrrigation
OwnerSPYGLASS PROPERTIES
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection10/25/2016
Emergency Action PlanNo

Identifiers

NID IDOR00271
Federal IDOR00271
More InfoState Dam Safety Program

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