Justesen Reservoir #1 is a dam located in Sherman County, Oregon, built in 1985. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 450 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Justesen Reservoir #1
The primary purpose of Justesen Reservoir #1 is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Fred/jon Justesen (private).
The dam stands 21 feet tall and stretches 450 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 148 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1985, the structure is 41 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 12/08/2015. That was over 10 years ago.
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Location
| State | Oregon |
| County | Sherman |
| Coordinates | 45.29576, -120.81826 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 450 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 148 acre-ft |
| Max Storage | 148 acre-ft |
| Normal Storage | 148 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 544 cfs |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Fred/jon Justesen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/08/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00741 |
| Federal ID | OR00741 |
| More Info | State Dam Safety Program |