Rock Quarry Canyon Dam is an earth dam located in Harney County, Oregon, built in 1948. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 1,100 ft long, taller than 65% 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 Rock Quarry Canyon Dam
The primary purpose of Rock Quarry 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 Ls&d Logging, C/o Lee Wilson (private). It impounds the Rock Quarry Canyon near No Downstream Settlement.
The dam stands 29 feet tall and stretches 1,100 feet across, creates a reservoir covering 45 acres, has a maximum storage capacity of 560 acre-feet, and collects water from a drainage area of 20 square miles. Completed in 1948, 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 10/29/2020.
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Location
| State | Oregon |
| County | Harney |
| Nearest City | No Downstream Settlement |
| River/Stream | Rock Quarry Canyon |
| Coordinates | 43.55062, -119.46015 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 27 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 560 acre-ft |
| Max Storage | 560 acre-ft |
| Normal Storage | 439 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 20 sq mi |
| Max Discharge | 1,249 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Ls&d Logging, C/o Lee Wilson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/29/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00170 |
| Federal ID | OR00170 |
| More Info | State Dam Safety Program |