Rogers - Joseph Reservoir
Rogers - Joseph Reservoir is an earth dam located in Clackamas County, Oregon, built in 1971. It carries a Significant hazard potential classification.
About Rogers - Joseph Reservoir
The primary purpose of Rogers - Joseph Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Michael P. Warn (private). It impounds the Unnamed near Wilsonville.
The dam stands 31 feet tall and stretches 255 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 40 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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 10/22/2020.
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Location
| State | Oregon |
| County | Clackamas |
| Nearest City | Wilsonville |
| River/Stream | Unnamed |
| Coordinates | 45.26583, -122.85669 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 255 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 100 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | MICHAEL P. WARN |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 10/22/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR00492 |
| Federal ID | OR00492 |
| More Info | State Dam Safety Program |