Deary Reservoir is an earth dam located in Malheur County, Oregon, built in 1937. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 330 ft long, taller than 62% 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 Deary Reservoir
The primary purpose of Deary Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by A.c. Lee (private). It impounds the Soldier Creek near Rome.
The dam stands 28 feet tall and stretches 330 feet across, creates a reservoir covering 51 acres, has a maximum storage capacity of 360 acre-feet, and collects water from a drainage area of 100 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.
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 10/28/2020.
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Location
| State | Oregon |
| County | Malheur |
| Nearest City | Rome |
| River/Stream | Soldier Creek |
| Coordinates | 42.74775, -117.20339 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 27 ft |
| Dam Length | 330 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 360 acre-ft |
| Max Storage | 360 acre-ft |
| Normal Storage | 360 acre-ft |
| Surface Area | 51 acres |
| Drainage Area | 100 sq mi |
| Max Discharge | 220 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | A.c. Lee |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/28/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00086 |
| Federal ID | OR00086 |
| More Info | State Dam Safety Program |