Peterson Stormwater Detention Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyKing
River/StreamEvans Creek
Coordinates47.66566, -122.02147

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Length140 ft
Year Completed1988 (38 years old)

Storage & Hydraulics

NID Storage93 acre-ft
Max Storage93 acre-ft
Normal Storage33 acre-ft
Surface Area10 acres
Drainage Area1 sq mi
Max Discharge140 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerKing County Natural Resources and Parks
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/25/2020
Emergency Action PlanYes

Identifiers

NID IDWA01337
Federal IDWA01337
More InfoState Dam Safety Program

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