Conconully Dam
Dam in Okanogan County, Washington · Salmon Creek · forms Conconully Reservoir
Height
72 ft
22 m (NID height)
Length
1,075 ft
328 m
Completed
1911
Conconully Reservoir today
2,250.22 ft
7 days ▲ 0.56 ft
Normal storage
13,000 acre-ft
Reservoir level measured Oct 21, 2026, 12:00 AM PDT. Full level page →
Facts
- Purposes
- Irrigation
- Dam type
- Earth
- Structural height
- 72 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 16,570 acre-ft
- Surface area
- 450 acres
- Hydraulic height
- 63 ft
- Drainage area
- 118 sq mi
- Spillway
- Uncontrolled, 149 ft wide
- Army Corps district
- Seattle District
- Also known as
- Conconully Reservoir
- NID ID
- WA00259
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 22, 2025. Search NID ID WA00259 at nid.sec.usace.army.mil. Project website.