Bull Run Lake Dam

Bull Run Lake Dam is an earth dam located in Multnomah County, Oregon, built in 1965. It carries a Low hazard potential classification.

About Bull Run Lake Dam

The primary purpose of Bull Run Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Portland (local government). It impounds the Bull Run River near Troutdale.

The dam stands 57 feet tall and stretches 150 feet across, creates a reservoir covering 445 acres, has a maximum storage capacity of 14,500 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1965, 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.

At 57 feet, this dam is taller than 95% of all dams in the United States.

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Low HazardNot Rated ConditionEmergency Action Plan: No

Location

StateOregon
CountyMultnomah
Nearest CityTroutdale
River/StreamBull Run River
Coordinates45.46282, -121.83912

Physical Characteristics

Dam TypeEarth
NID Height57 ft
Dam Height55 ft
Dam Length150 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage14,500 acre-ft
Max Storage14,500 acre-ft
Normal Storage10,000 acre-ft
Surface Area445 acres
Drainage Area3 sq mi
Max Discharge1,100 cfs

Ownership & Safety

PurposeWater Supply
OwnerCITY OF PORTLAND
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNo

Identifiers

NID IDOR00300
Federal IDOR00300
More InfoState Dam Safety Program

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