Killamacue Reservoir
Killamacue Reservoir is a gravity dam located in Baker County, Oregon, built in 1908. It carries a Significant hazard potential classification.
About Killamacue Reservoir
The primary purpose of Killamacue Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jim Ingram (private). It impounds the Killamacue Lake near Rock Creek.
The dam stands 12 feet tall and stretches 60 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 798 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1908, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 09/26/2018.
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Location
| State | Oregon |
| County | Baker |
| Nearest City | Rock Creek |
| River/Stream | Killamacue Lake |
| Coordinates | 44.87516, -118.14599 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 11 ft |
| Dam Length | 60 ft |
| Year Completed | 1908 (118 years old) |
Storage & Hydraulics
| NID Storage | 798 acre-ft |
| Max Storage | 798 acre-ft |
| Normal Storage | 312 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 660 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JIM INGRAM |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 09/26/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00608 |
| Federal ID | OR00608 |
| More Info | State Dam Safety Program |