Billingsley Dam
Billingsley Dam is an earth dam located in Douglas County, Washington, built in 1949. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Billingsley Dam
The primary purpose of Billingsley 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 Billingsley Ranch (private). It impounds the Rattlesnake Creek near Palisades.
The dam stands 15 feet tall, creates a reservoir covering 130 acres, has a maximum storage capacity of 190 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1949, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 01/23/2019.
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Location
| State | Washington |
| County | Douglas |
| Nearest City | Palisades |
| River/Stream | Rattlesnake Creek |
| Coordinates | 47.44486, -119.81116 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 190 acre-ft |
| Max Storage | 190 acre-ft |
| Surface Area | 130 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 273 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Billingsley Ranch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/23/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00071 |
| Federal ID | WA00071 |
| More Info | State Dam Safety Program |