Jorgensen Dam
Jorgensen Dam is an earth dam located in Douglas County, Washington, built in 1946. It carries a Low hazard potential classification.
About Jorgensen Dam
The primary purpose of Jorgensen Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Owenjorgensen (private). It impounds the Tr-columbia River.
The dam stands 10 feet tall and stretches 191 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1946, 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.
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Location
| State | Washington |
| County | Douglas |
| River/Stream | Tr-columbia River |
| Coordinates | 47.66659, -119.47411 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 191 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 41 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | OwenJorgensen |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00025 |
| Federal ID | WA00025 |
| More Info | State Dam Safety Program |