Mortimer Canyon Dam
Mortimer Canyon Dam is an earth dam located in Harney County, Oregon, built in 1951. It carries a Low hazard potential classification.
About Mortimer Canyon Dam
The primary purpose of Mortimer Canyon Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Robert Smith (private). It impounds the Mortimer Canyon Creek near No Downstream Settlement.
The dam stands 30 feet tall and stretches 605 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1951, the structure is well into its service life at over 50 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 06/07/2017.
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Location
| State | Oregon |
| County | Harney |
| Nearest City | No Downstream Settlement |
| River/Stream | Mortimer Canyon Creek |
| Coordinates | 43.64498, -118.76944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 605 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 212 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 900 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ROBERT SMITH |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/07/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00173 |
| Federal ID | OR00173 |
| More Info | State Dam Safety Program |