Sevan Lake
Sevan Lake is an earth dam located in Lake County, Oregon, built in 1977. It carries a Low hazard potential classification.
About Sevan Lake
The primary purpose of Sevan Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by John Detus (private). It impounds the Silver Lake, Trib To near No Downstream Settlement.
The dam stands 45 feet tall and stretches 630 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 1,000 acre-feet, and collects water from a drainage area of 19 square miles. Completed in 1977, the structure is 49 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. The most recent inspection on record was 08/11/2015. That was over 10 years ago.
At 45 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Oregon |
| County | Lake |
| Nearest City | No Downstream Settlement |
| River/Stream | Silver Lake, Trib To |
| Coordinates | 43.19094, -120.71942 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 40 ft |
| Dam Length | 630 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 1,000 acre-ft |
| Max Storage | 1,000 acre-ft |
| Normal Storage | 789 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 1,116 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | JOHN DETUS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/11/2015 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR00628 |
| Federal ID | OR00628 |
| More Info | State Dam Safety Program |