Blue Lake Dam Okanogan Co
Blue Lake Dam Okanogan Co is a rockfill dam located in Okanogan County, Washington, built in 1923. It carries a Low hazard potential classification.
About Blue Lake Dam Okanogan Co
The primary purpose of Blue 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 Wa Dfw (state). It impounds the Tr-sinlahekin Creek near Loomis.
The dam stands 32 feet tall and stretches 1,500 feet across, creates a reservoir covering 160 acres, has a maximum storage capacity of 4,416 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1923, the structure is over a century 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.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Washington |
| County | Okanogan |
| Nearest City | Loomis |
| River/Stream | Tr-sinlahekin Creek |
| Coordinates | 48.69214, -119.69044 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 32 ft |
| Dam Length | 1,500 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 4,416 acre-ft |
| Max Storage | 4,416 acre-ft |
| Normal Storage | 4,416 acre-ft |
| Surface Area | 160 acres |
| Drainage Area | 10 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | WA DFW |
| Owner Type | State |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00325 |
| Federal ID | WA00325 |
| More Info | State Dam Safety Program |