St. Anthony Falls Lower Lock And Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateMinnesota
CountyHennepin
Nearest CityMINNEAPOLIS
River/StreamMISSISSIPPI
Coordinates44.97901, -93.24762

Physical Characteristics

Dam TypeConcrete
NID Height58 ft
Dam Height41 ft
Dam Length213 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage420 acre-ft
Max Storage420 acre-ft
Normal Storage375 acre-ft
Surface Area50 acres
Drainage Area19,680 sq mi
Max Discharge91,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - St. Paul District
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection10/07/2020
Emergency Action PlanYes

Identifiers

NID IDMN00591
Federal IDMN00591
More InfoState Dam Safety Program

Nearby Dams

St. Anthony Falls Upper Lock And Dam 0.5 mi Significant Mississippi River Locks And Dam 1 4.9 mi Significant Hansen Park 6.0 mi Low Snelling Lake 7.1 mi Low Round Lake 7.4 mi Low Arlington Detention 7.4 mi Significant Locke Lake 7.8 mi Significant Mac Pond 2 8.0 mi Low Keller Lake 9.1 mi Low Plymouth Creek 9.8 mi Low