Opal Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateSouth Dakota
CountyMeade
Nearest CityNONE
River/StreamMiddle Beaver Dam Creek
Coordinates44.91002, -102.42179

Physical Characteristics

Dam TypeEarth
NID Height22 ft
Dam Height22 ft
Dam Length515 ft
Year Completed1937 (89 years old)

Storage & Hydraulics

NID Storage558 acre-ft
Max Storage558 acre-ft
Normal Storage260 acre-ft
Surface Area38 acres
Drainage Area7 sq mi
Max Discharge2,935 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerGF&P
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection11/09/2021
Emergency Action PlanYes

Identifiers

NID IDSD00308
Federal IDSD00308
More InfoState Dam Safety Program

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