Swift No. 1
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Skamania |
| Nearest City | Cougar, WA |
| River/Stream | Lewis River |
| Coordinates | 46.06290, -122.19787 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 412 ft |
| Dam Height | 412 ft |
| Dam Length | 2,100 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 755,500 acre-ft |
| Max Storage | 755,500 acre-ft |
| Normal Storage | 755,500 acre-ft |
| Surface Area | 4,620 acres |
| Drainage Area | 477 sq mi |
| Max Discharge | 184,300 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | PacifiCorp |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 05/03/2022 |
| Emergency Action Plan | Yes |