Petersburg Upper Dam

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateAlaska
CountyPetersburg Borough
Nearest CityPETERSBURG
River/StreamCITY CREEK
Coordinates56.78000, -132.91490

Physical Characteristics

Dam TypeOther
NID Height27 ft
Dam Height23 ft
Dam Length286 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage142 acre-ft
Max Storage142 acre-ft
Normal Storage123 acre-ft
Surface Area17 acres
Drainage Area2 sq mi
Max Discharge2,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeWater Supply
OwnerCITY OF PETERSBURG
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection09/17/2019
Emergency Action PlanYes

Identifiers

NID IDAK00016
Federal IDAK00016
More InfoState Dam Safety Program

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