Como Dam
Dam in Ravalli County, Montana · Rock Creek · forms Lake Como
Height
76 ft
23 m (NID height)
Length
2,550 ft
777 m
Completed
1910
Lake Como today
4,205.14 ft
7 days ▼ 0.78 ft
Normal storage
38,495 acre-ft
Reservoir level measured Oct 23, 2026, 11:30 AM MDT. Full level page →
Facts
- Purposes
- Irrigation
- Dam type
- Earth
- Structural height
- 76 ft
- Owner
- BITTER ROOT IRRIGATION DISTRICT (Public Utility)
- Maximum storage
- 40,700 acre-ft
- Surface area
- 976 acres
- Hydraulic height
- 63 ft
- Drainage area
- 54 sq mi
- Spillway
- Uncontrolled, 75 ft wide
- Army Corps district
- Seattle District
- Also known as
- Lake Como
- NID ID
- MT00564
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Nov 21, 2024. Search NID ID MT00564 at nid.sec.usace.army.mil. Project website.