Minam Lake Reservoir Company
Minam Lake Reservoir Company is an earth dam located in Wallowa County, Oregon, built in 1922. It carries a Low hazard potential classification.
About Minam Lake Reservoir Company
The primary purpose of Minam Lake Reservoir Company is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lake Reservoir Company (private). It impounds the Minam River near Wallowa.
The dam stands 14 feet tall and stretches 280 feet across, creates a reservoir covering 72 acres, has a maximum storage capacity of 520 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1922, the structure is over a century 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.
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Location
| State | Oregon |
| County | Wallowa |
| Nearest City | Wallowa |
| River/Stream | Minam River |
| Coordinates | 45.18524, -117.35202 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 280 ft |
| Year Completed | 1922 (104 years old) |
Storage & Hydraulics
| NID Storage | 520 acre-ft |
| Max Storage | 520 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 72 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 175 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LAKE RESERVOIR COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00067 |
| Federal ID | OR00067 |
| More Info | State Dam Safety Program |