Smyth S Creek Dam
Smyth S Creek Dam is an earth dam located in Harney County, Oregon, built in 1955. It carries a Low hazard potential classification.
About Smyth S Creek Dam
The primary purpose of Smyth S Creek Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Allan & Katie Otley (private). It impounds the Smyth S Creek near No Downstream Settlement.
The dam stands 24 feet tall and stretches 480 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1955, 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 07/12/2018.
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Location
| State | Oregon |
| County | Harney |
| Nearest City | No Downstream Settlement |
| River/Stream | Smyth S Creek |
| Coordinates | 43.05780, -118.60147 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 480 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 1,320 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ALLAN & KATIE OTLEY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 07/12/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00268 |
| Federal ID | OR00268 |
| More Info | State Dam Safety Program |