Emigrant Spillway Dike
Emigrant Spillway Dike is an earth dam located in Jackson County, Oregon, built in 1960. It carries a Low hazard potential classification.
About Emigrant Spillway Dike
The primary purpose of Emigrant Spillway Dike 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 Bureau Of Reclamation (federal). It impounds the Emigrant Creek near Ashland.
The dam stands 14 feet tall and stretches 220 feet across, creates a reservoir covering 806 acres, has a maximum storage capacity of 46,700 acre-feet, and collects water from a drainage area of 62 square miles. Completed in 1960, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/14/2021.
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Location
| State | Oregon |
| County | Jackson |
| Nearest City | Ashland |
| River/Stream | Emigrant Creek |
| Coordinates | 42.16040, -122.61680 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 220 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 46,700 acre-ft |
| Max Storage | 46,700 acre-ft |
| Normal Storage | 39,000 acre-ft |
| Surface Area | 806 acres |
| Drainage Area | 62 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 07/14/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OR00581 |
| Federal ID | OR00581S003 |
| More Info | State Dam Safety Program |