Culmback
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Washington |
| County | Snohomish |
| Nearest City | Sultan, WA |
| River/Stream | Sultan River, Skykomish River |
| Coordinates | 47.97492, -121.68600 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 262 ft |
| Dam Height | 262 ft |
| Dam Length | 640 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 193,440 acre-ft |
| Max Storage | 193,440 acre-ft |
| Normal Storage | 153,260 acre-ft |
| Surface Area | 1,870 acres |
| Drainage Area | 68 sq mi |
| Max Discharge | 57,132 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | PUD #1 of Snohomish County, WA |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/14/2021 |
| Emergency Action Plan | Yes |