Willow Creek Dam
Dam in Morrow County, Oregon · Willow Creek · forms Willow Creek Lake at Heppner at Heppner
Height
160 ft
49 m (NID height)
Length
1,780 ft
543 m
Completed
1982
Willow Creek Lake at Heppner at Heppner today
2,047.40 ft
7 days 0.00 ft
vs full pool
▼ 29.10 ft
Normal storage
4,326 acre-ft
Much below normal for the date
Reservoir level measured Oct 23, 2026, 12:00 PM PDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Other; Irrigation; Recreation
- Structural height
- 160 ft
- Owner
- USACE - Portland District (Federal)
- Maximum storage
- 14,091 acre-ft
- Surface area
- 269 acres
- Hydraulic height
- 158 ft
- Drainage area
- 96 sq mi
- Spillway
- Uncontrolled, 380 ft wide
- Army Corps district
- Portland District
- Also known as
- Willow Creek Lake
- NID ID
- OR00746
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 20, 2026. Search NID ID OR00746 at nid.sec.usace.army.mil. Project website.