Trossachs Detention Pond Pc-3

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyKing
River/StreamOffstream
Coordinates47.60114, -121.97639

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Length600 ft
Year Completed1999 (27 years old)

Storage & Hydraulics

NID Storage25 acre-ft
Max Storage25 acre-ft
Normal Storage15 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge57 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerSammamish City Public Works
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection07/12/2022
Emergency Action PlanYes

Identifiers

NID IDWA01787
Federal IDWA01787
More InfoState Dam Safety Program

Nearby Dams

Trossachs Detention Pond Pc-2 0.5 mi High Aldarra Pond Dfr1 1.4 mi Low Queens Bog Dam 2.4 mi Low Yellow Lake Outlet Dike 2.7 mi High Klahanie Stormwater Detention Dam No 13 2.8 mi High Conner Jarvis East Pond 2.9 mi Significant Klahanie Stormwater Detention Dam No 1 3.2 mi Significant Issaquah Highlands Npe Pond 3.3 mi High Issaquah Highlands Np2 Pond Dam 3.8 mi High Issaquah Highlands South Pond Dam 4.3 mi High