Green Lake

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateAlaska
CountyCity and Borough of Sitka
Nearest CityNone
River/StreamVodopad River
Coordinates56.98686, -135.11362

Physical Characteristics

Dam TypeArch
NID Height210 ft
Dam Height210 ft
Dam Length462 ft
Year Completed1982 (44 years old)

Storage & Hydraulics

NID Storage94,000 acre-ft
Normal Storage94,000 acre-ft
Surface Area1,120 acres
Drainage Area28 sq mi
Max Discharge12,800 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerCity and Borough of Sitka
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/04/2025
Emergency Action PlanYes

Identifiers

NID IDAK83012
Federal IDAK83012
More InfoState Dam Safety Program

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