Lockett Reservoir is an earth dam located in Malheur County, Oregon, built in 1917. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 345 ft long, taller than 50% of U.S. dams with a recorded height. 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 Lockett Reservoir
The primary purpose of Lockett Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Charles Libby/r.m. Phipps (private). It impounds the Gum Creek near No Downstream Settlement.
The dam stands 25 feet tall and stretches 345 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 44 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1917, 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.
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Location
| State | Oregon |
| County | Malheur |
| Nearest City | No Downstream Settlement |
| River/Stream | Gum Creek |
| Coordinates | 44.20018, -117.57918 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 345 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 44 acre-ft |
| Max Storage | 44 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 190 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Charles Libby/r.m. Phipps |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00723 |
| Federal ID | OR00723 |
| More Info | State Dam Safety Program |