Roosevelt Reservoir

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyKing
Nearest CityWithin Seattle City Limits
River/StreamTr-Puget Sound-Offstream
Coordinates47.68149, -122.31457

Physical Characteristics

Dam TypeEarth
NID Height23 ft
Dam Length1,920 ft
Year Completed1910 (116 years old)

Storage & Hydraulics

NID Storage181 acre-ft
Max Storage181 acre-ft
Normal Storage153 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge45 cfs

Ownership & Safety

PurposeWater Supply
OwnerSeattle Public Utilities
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/13/2021
Emergency Action PlanYes

Identifiers

NID IDWA00212
Federal IDWA00212
More InfoState Dam Safety Program

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