Cowlitz Falls
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Lewis |
| Nearest City | None |
| River/Stream | Cowlitz River |
| Coordinates | 46.46630, -122.10960 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 145 ft |
| Dam Height | 120 ft |
| Dam Length | 700 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 11,000 acre-ft |
| Normal Storage | 11,000 acre-ft |
| Surface Area | 700 acres |
| Drainage Area | 1,000 sq mi |
| Max Discharge | 360,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | PUD #1 of Lewis County, WA |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/07/2022 |
| Emergency Action Plan | Yes |