Davis Lake Dam Okanogan Co
Davis Lake Dam Okanogan Co is a rockfill dam located in Okanogan County, Washington, built in 1974. It carries a Low hazard potential classification.
About Davis Lake Dam Okanogan Co
The primary purpose of Davis Lake Dam Okanogan Co is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Osoyoos Slope Llc (private). It impounds the Tr-bear Creek near Twisp.
The dam stands 7 feet tall and stretches 200 feet across, creates a reservoir covering 61 acres, has a maximum storage capacity of 552 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1974, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Washington |
| County | Okanogan |
| Nearest City | Twisp |
| River/Stream | Tr-bear Creek |
| Coordinates | 48.44239, -120.12222 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 7 ft |
| Dam Length | 200 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 552 acre-ft |
| Max Storage | 552 acre-ft |
| Normal Storage | 500 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Osoyoos Slope LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00332 |
| Federal ID | WA00332 |
| More Info | State Dam Safety Program |