Spirit Lake Outlet Tunnel
Dam in Skamania County, Washington · South Coldwater Creek · forms Spirit Lake
Height
184 ft
56 m (NID height)
Length
1,000 ft
305 m
Completed
1985
Spirit Lake today
3,403.42 ft
7 days –
Normal storage
13,000 acre-ft
Reservoir level measured Oct 23, 2026, 1:15 PM PDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction
- Dam type
- Earth
- Owner
- USDA FS (Federal)
- Maximum storage
- 57,000 acre-ft
- Surface area
- 2,200 acres
- Spillway
- Controlled, 11 ft wide
- Army Corps district
- Portland District
- NID ID
- WA00770
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated May 17, 2021. Search NID ID WA00770 at nid.sec.usace.army.mil. Project website.