Wilson Reservoir No. 1 is an earth dam located in Sherman County, Oregon, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 450 ft long, taller than 80% 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 Wilson Reservoir No. 1
The primary purpose of Wilson Reservoir No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Triple K Wilson Farms,llc (private). It impounds the Bronx Canyon near Celico.
The dam stands 35 feet tall and stretches 450 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1957, 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 10/11/2017.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Oregon |
| County | Sherman |
| Nearest City | Celico |
| River/Stream | Bronx Canyon |
| Coordinates | 45.18749, -120.72422 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 32 ft |
| Dam Length | 450 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 371 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Triple K Wilson Farms,llc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/11/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00283 |
| Federal ID | OR00283 |
| More Info | State Dam Safety Program |