Grand Rapids

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMinnesota
CountyItasca
Nearest CityGrand Rapids
River/StreamMississippi River
Coordinates47.23180, -93.53150

Physical Characteristics

Dam TypeGravity
NID Height21 ft
Dam Height21 ft
Dam Length235 ft
Year Completed1916 (110 years old)

Storage & Hydraulics

NID Storage4,000 acre-ft
Normal Storage4,000 acre-ft
Surface Area465 acres
Drainage Area3,370 sq mi
Max Discharge8,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerAllete, Inc.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection09/20/2022
Emergency Action PlanYes

Identifiers

NID IDMN00602
Federal IDMN00602
More InfoState Dam Safety Program

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