St. Anthony Falls Upper Lock and Dam
Dam in Hennepin County, Minnesota · Mississippi River · forms Upper St Anthony Falls Pool
Height
93 ft
28 m (NID height)
Length
1,900 ft
579 m
Completed
1963
Upper St Anthony Falls Pool today
799.05 ft
7 days ▲ 0.03 ft
vs full pool
▼ 0.35 ft
Normal storage
3,150 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 12:00 PM CDT. Full level page →
Facts
- Purposes
- Navigation; Recreation
- Dam type
- Concrete
- Structural height
- 93 ft
- Owner
- Federal; Private
- Maximum storage
- 4,900 acre-ft
- Surface area
- 35 acres
- Hydraulic height
- 86 ft
- Drainage area
- 19,680 sq mi
- Spillway
- Uncontrolled, 1,900 ft wide
- Navigation locks
- 1
- Army Corps district
- St. Paul District
- Also known as
- Upper St Anthony Falls Pool
- NID ID
- MN00590
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Apr 30, 2026. Search NID ID MN00590 at nid.sec.usace.army.mil. Project website.