Long Lake Dam

Alaska — City and Borough of Juneau County — LONG RIVER

Location

StateAlaska
CountyCity and Borough of Juneau
RiverLONG RIVER
Coordinates58.16667, -133.73330

Physical Characteristics

NID Height30 ft
Dam Height
Dam Length337 ft
NID Storage147,000 acre-ft
Max Storage147,000 acre-ft
Surface Area1,375 acres

Safety Classification

Hazard PotentialLow
Condition AssessmentFair
EAP StatusNot Required
Last InspectionAugust 28, 2019
Inspection Frequency5

Dam Information

Year Completed1973
Primary PurposeHydroelectric
Dam TypeConcrete
Owner TypePublic Utility
OwnerALASKA INDUSTRIAL DEVELOPMENT AND EXPORT AUTHORITY
Other NameSnettisham Dam

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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