Bull Run Lake Dam

BULL RUN RIVER· Multnomah, Oregon· Built 1965· Earth· 55 ft tall
Low Hazard Water Supply Local Government

Key Takeaway

Bull Run Lake Dam is classified as low hazard in Oregon. It was completed in 1965 and is 61 years old. Its primary use is water supply.

Physical Details

Dam Height 55 ft (taller than 85.6% in OR)
Dam Length150 ft
Dam TypeEarth
Max Storage14.5K acre-ft
Normal Storage10.0K acre-ft
Surface Area445 acres
Drainage Area4 sq mi
Max Discharge1,100 cfs
Year Completed1965 (61 years old)
NID IDOR00300

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

CITY OF PORTLAND

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bull Run Lake Dam?

Bull Run Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Bull Run Lake Dam?

Bull Run Lake Dam is owned by CITY OF PORTLAND (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bull Run Lake Dam built?

Bull Run Lake Dam was completed in 1965, making it 61 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Bull Run Lake Dam?

Bull Run Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Bull Run Lake Dam?

Bull Run Lake Dam has a dam height of 55 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.