Hansen Dam
Hansen Dam is an earth dam located in Lincoln County, Washington, built in 1962. It carries a Low hazard potential classification.
About Hansen Dam
The primary purpose of Hansen Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Adam J & Jennifersapier (private). It impounds the Goose Creek near Wilbur.
The dam stands 11 feet tall and stretches 410 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1962, 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.
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Location
| State | Washington |
| County | Lincoln |
| Nearest City | Wilbur |
| River/Stream | Goose Creek |
| Coordinates | 47.77196, -118.60940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 410 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 725 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Adam J & JenniferSapier |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00016 |
| Federal ID | WA00016 |
| More Info | State Dam Safety Program |