Rose Reservoir is an earth dam located in Clackamas County, Oregon, built in 1974. It carries a Significant hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 450 ft long, taller than 86% of U.S. dams with a recorded height. 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 Rose Reservoir
The primary purpose of Rose Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bill Rose (private). It impounds the Trib to Rock Creek near Yoder.
The dam stands 40 feet tall and stretches 450 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 350 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1974, the structure is well into its service life at over 50 years old.
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 12/18/2017.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Oregon |
| County | Clackamas |
| Nearest City | Yoder |
| River/Stream | Trib to Rock Creek |
| Coordinates | 45.13224, -122.70682 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 450 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 550 acre-ft |
| Max Storage | 350 acre-ft |
| Normal Storage | 550 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 303 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Bill Rose |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 12/18/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00708 |
| Federal ID | OR00708 |
| More Info | State Dam Safety Program |