Sears Dam

Low HazardNot Available ConditionEmergency Action Plan: Not Required

Location

StateIllinois
CountyRock Island
Nearest CityRock Island
River/StreamRock River
Coordinates41.46133, -90.57824

Physical Characteristics

Dam TypeGravity
NID Height16 ft
Dam Height16 ft
Dam Length460 ft
Year Completed1912 (114 years old)

Storage & Hydraulics

NID Storage850 acre-ft
Max Storage850 acre-ft
Normal Storage750 acre-ft
Surface Area570 acres
Drainage Area11,000 sq mi
Max Discharge80,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerState of Illinois
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Available
Last Inspection08/29/2023
Emergency Action PlanNot Required

Identifiers

NID IDIL50471
Federal IDIL50471
More InfoState Dam Safety Program

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