Dillard Lumber Co Dike is an earth dam located in Douglas County, Oregon, built in 1946. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 3,100 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Dillard Lumber Co Dike
Dillard Lumber Co Dike is a dam in Douglas, Oregon. The dam is owned by Roseburg Forest Products Co (private). It impounds the South Umpqua River near Dillard.
The dam stands 15 feet tall and stretches 3,100 feet across, creates a reservoir covering 42 acres, and has a maximum storage capacity of 285 acre-feet. Completed in 1946, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 11/03/2020.
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Location
| State | Oregon |
| County | Douglas |
| Nearest City | Dillard |
| River/Stream | South Umpqua River |
| Coordinates | 43.09133, -123.41722 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 3,100 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 285 acre-ft |
| Max Storage | 285 acre-ft |
| Normal Storage | 285 acre-ft |
| Surface Area | 42 acres |
| Max Discharge | 50 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Roseburg Forest Products Co |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 11/03/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00155 |
| Federal ID | OR00155 |
| More Info | State Dam Safety Program |