Spillway Dam
Dam in Clackamas County, Oregon · Bull Run · forms Bull Run Reservoir NO 2,
Height
180 ft
55 m (NID height)
Length
450 ft
137 m
Completed
1962
Bull Run Reservoir NO 2, today
858.65 ft
7 days ▼ 0.07 ft
Normal storage
21,000 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 12:00 PM PDT. Full level page →
Facts
- Purposes
- Water Supply; Hydroelectric
- Dam type
- Earth
- Structural height
- 20 ft
- Owner
- City of Portland Oregon (Local Government)
- Maximum storage
- 25,000 acre-ft
- Surface area
- 418 acres
- Hydraulic height
- 20 ft
- Drainage area
- 102 sq mi
- Spillway
- Uncontrolled, 450 ft wide
- Army Corps district
- Portland District
- Also known as
- Bull Run Reservoir No. 2 Spillway Crest
- NID ID
- OR00317S001
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Aug 26, 2026. Search NID ID OR00317S001 at nid.sec.usace.army.mil. Project website.
Other dams at Bull Run Reservoir NO 2,
- Development No. 2 Dam