Foster Dam
Oregon — Linn County — SOUTH SANTIAM RIVER
Location
| State | Oregon |
| County | Linn |
| River | SOUTH SANTIAM RIVER |
| Coordinates | 44.41561, -122.67016 |
Physical Characteristics
| NID Height | 126 ft |
| Dam Height | 125 ft |
| Dam Length | 4,800 ft |
| NID Storage | 61,000 acre-ft |
| Max Storage | 61,000 acre-ft |
| Surface Area | 1,220 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | June 10, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1967 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Rockfill |
| Owner Type | Federal |
| Owner | USACE - Portland District |
| Other Name | Foster Lake |
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.