South Ridge Stormwater Detention Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyKing
Nearest CityIssaquah
River/StreamNF Issaquah Creek - Offstream
Coordinates47.54550, -122.03566

Physical Characteristics

Dam TypeEarth
NID Height10 ft
Dam Length420 ft
Year Completed2002 (24 years old)

Storage & Hydraulics

NID Storage25 acre-ft
Max Storage25 acre-ft
Normal Storage22 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge63 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerIssaquah South Ridge Owners Assoc c/o Agynbyte LLC
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection08/25/2022
Emergency Action PlanYes

Identifiers

NID IDWA01820
Federal IDWA01820
More InfoState Dam Safety Program

Nearby Dams

Issaquah Highlands Reid Pond Dam 0.7 mi High Issaquah Highlands Falls Pond Dam 1.0 mi High Talus P5 Stormwater Detention Dam 1.5 mi High Klahanie Stormwater Detention Dam No 1 1.6 mi Significant Issaquah Highlands Np2 Pond Dam 1.6 mi High Issaquah Highlands South Pond Dam 1.7 mi High Issaquah Highlands Npe Pond 1.9 mi High Yellow Lake Outlet Dike 2.0 mi High Conner Jarvis East Pond 2.0 mi Significant Klahanie Stormwater Detention Dam No 13 2.1 mi High