Sylvia Lake Dam Grays Harbor Cnty
Washington — Grays Harbor County — Sylvia Creek
Location
| State | Washington |
| County | Grays Harbor |
| River | Sylvia Creek |
| Coordinates | 46.99608, -123.59838 |
Physical Characteristics
| NID Height | 23 ft |
| Dam Height | — |
| Dam Length | 120 ft |
| NID Storage | 550 acre-ft |
| Max Storage | 550 acre-ft |
| Surface Area | 32 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | November 12, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1918 |
| Primary Purpose | Recreation |
| Dam Type | Buttress |
| Owner Type | State |
| Owner | WA PARKS |
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.