Youngs Lake New Inlet Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyKing
Nearest Citytopographic depression
River/StreamTr-Cedar River
Coordinates47.42092, -122.10290

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Length400 ft
Year Completed1926 (100 years old)

Storage & Hydraulics

NID Storage35,450 acre-ft
Max Storage35,450 acre-ft
Normal Storage33,760 acre-ft
Surface Area690 acres
Drainage Area2 sq mi

Ownership & Safety

PurposeWater Supply
OwnerSeattle Public Utilities
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection06/02/2024
Emergency Action PlanYes

Identifiers

NID IDWA00415
Federal IDWA00415
More InfoState Dam Safety Program

Nearby Dams

Youngs Lake Cascades Dam 0.3 mi Significant Youngs Lake Outlet Dam 1.6 mi High Madsen Creek West Basin Dam 3.3 mi High Cedar Hills Landfill Csw Pond 3.5 mi Significant Garrison Creek Stormwater Detention Dam 4.8 mi Significant Springwood Stormwater Detention Dam 5.2 mi High Garrison Creek 98th Avenue Detention D 5.3 mi High Upper Mill Creek Stormwater Detention Da 6.2 mi High Mill Creek Canyon Stormwater Detention D 6.3 mi High Sawyer Lake Outlet Structure 6.5 mi Low