Walchli Reservoir is an other dam located in Umatilla County, Oregon, built in 1980. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 420 ft long, taller than 74% 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 Walchli Reservoir
The primary purpose of Walchli Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Starvation Farms, LLC (private). It impounds the Columbia River, Trib to near Hermiston.
The dam stands 32 feet tall and stretches 420 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 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 04/02/2015. That was over 11 years ago.
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Location
| State | Oregon |
| County | Umatilla |
| Nearest City | Hermiston |
| River/Stream | Columbia River, Trib to |
| Coordinates | 45.86090, -119.18660 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 32 ft |
| Dam Height | 30 ft |
| Dam Length | 420 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 182 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 500 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Starvation Farms, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/02/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00630 |
| Federal ID | OR00630 |
| More Info | State Dam Safety Program |