Roosevelt Reservoir
Washington — King County — Tr-Puget Sound-Offstream
Location
| State | Washington |
| County | King |
| River | Tr-Puget Sound-Offstream |
| Coordinates | 47.68149, -122.31457 |
Physical Characteristics
| NID Height | 23 ft |
| Dam Height | — |
| Dam Length | 1,920 ft |
| NID Storage | 181 acre-ft |
| Max Storage | 181 acre-ft |
| Surface Area | 8 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | April 13, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1910 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Seattle Public Utilities |
| Other Name | Green Lake Reservoir |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.