Enloe Dam is a concrete dam located in Okanogan County, Washington, built in 1920. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 63 ft63 ft tall and 315 ft long, taller than 95% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Enloe Dam
The primary purpose of Enloe Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Okanogan PUD (public utility). It impounds the Similkameen River near Oroville.
The dam stands 63 feet tall and stretches 315 feet across, creates a reservoir covering 2,400 acres, has a maximum storage capacity of 2,400 acre-feet, and collects water from a drainage area of 3,590 square miles. Completed in 1920, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/08/1986. That was over 40 years ago.
At 63 feet, this dam is taller than 95% of all dams in the United States.
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 | Oroville |
| River/Stream | Similkameen River |
| Coordinates | 48.96574, -119.50194 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 63 ft |
| Dam Length | 315 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 2,400 acre-ft |
| Max Storage | 2,400 acre-ft |
| Normal Storage | 2,400 acre-ft |
| Surface Area | 2,400 acres |
| Drainage Area | 3,590 sq mi |
| Max Discharge | 46,000 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Okanogan PUD |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/08/1986 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00097 |
| Federal ID | WA00097 |
| More Info | State Dam Safety Program |