Promise Reservoir
Promise Reservoir is an earth dam located in Wallowa County, Oregon, built in 1980. It carries a Low hazard potential classification.
About Promise Reservoir
The primary purpose of Promise Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Leonard Henderson (private). It impounds the East Fork Sickfoot Creek near No Downstream Settlement.
The dam stands 37 feet tall and stretches 715 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1980, the structure is 46 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 10/18/2017.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Oregon |
| County | Wallowa |
| Nearest City | No Downstream Settlement |
| River/Stream | East Fork Sickfoot Creek |
| Coordinates | 45.82248, -117.55133 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 35 ft |
| Dam Length | 715 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 77 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LEONARD HENDERSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/18/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00675 |
| Federal ID | OR00675 |
| More Info | State Dam Safety Program |