Mccormick Reservoir
Mccormick Reservoir is an earth dam located in Jackson County, Oregon, built in 1954. It carries a Significant hazard potential classification.
About Mccormick Reservoir
The primary purpose of Mccormick Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Alan Whitney (private). It impounds the Rogue River, Trib To near Tolo.
The dam stands 24 feet tall and stretches 726 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 38 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1954, 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 12/04/2020.
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Location
| State | Oregon |
| County | Jackson |
| Nearest City | Tolo |
| River/Stream | Rogue River, Trib To |
| Coordinates | 42.40926, -122.96951 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 726 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 38 acre-ft |
| Max Storage | 38 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 200 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ALAN WHITNEY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 12/04/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR02356 |
| Federal ID | OR02356 |
| More Info | State Dam Safety Program |