Salmon Lake Dam
Salmon Lake Dam is an earth dam located in Okanogan County, Washington, built in 1921. It carries a High hazard potential classification.
About Salmon Lake Dam
The primary purpose of Salmon Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bureau Of Reclamation (federal). It impounds the Salmon Creek Os near Conconully.
The dam stands 54 feet tall and stretches 1,250 feet across, creates a reservoir covering 313 acres, has a maximum storage capacity of 17,280 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1921, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 04/23/2020.
At 54 feet, this dam is taller than 94% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Washington dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Washington |
| County | Okanogan |
| Nearest City | Conconully |
| River/Stream | Salmon Creek Os |
| Coordinates | 48.55920, -119.74560 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 54 ft |
| Dam Height | 54 ft |
| Dam Length | 1,250 ft |
| Year Completed | 1921 (105 years old) |
Storage & Hydraulics
| NID Storage | 17,280 acre-ft |
| Max Storage | 17,280 acre-ft |
| Normal Storage | 15,700 acre-ft |
| Surface Area | 313 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 314 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 04/23/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00291 |
| Federal ID | WA00291 |
| More Info | State Dam Safety Program |