Arsenal Power

Low HazardPoor ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyRock Island
Nearest CityRock Island
River/StreamMississippi River
Coordinates41.51500, -90.54000

Physical Characteristics

Dam TypeConcrete
NID Height29 ft
Dam Height26 ft
Dam Length728 ft
Year Completed1878 (148 years old)

Storage & Hydraulics

NID Storage30,000 acre-ft
Max Storage30,000 acre-ft
Normal Storage30,000 acre-ft
Max Discharge312,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerRock Island Arsenal
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection08/29/2020
Emergency Action PlanYes

Identifiers

NID IDIL00798
Federal IDIL00798
More InfoState Dam Safety Program

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