Seattle Port Lagoon No 3
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | King |
| River/Stream | Des Moines Creek - Offstream |
| Coordinates | 47.43254, -122.31332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Length | 1,500 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 256 acre-ft |
| Max Storage | 256 acre-ft |
| Normal Storage | 235 acre-ft |
| Surface Area | 0 acres |
| Max Discharge | 140 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Port of Seattle |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/03/2022 |
| Emergency Action Plan | Yes |