Brewer Reservoir (jefferson)
Brewer Reservoir (jefferson) is an earth dam located in Jefferson County, Oregon, built in 1952. It carries a Significant hazard potential classification.
About Brewer Reservoir (jefferson)
The primary purpose of Brewer Reservoir (jefferson) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Hay Creek Ranch (private). It impounds the Hay Creek near Maupin.
The dam stands 32 feet tall and stretches 750 feet across, creates a reservoir covering 106 acres, has a maximum storage capacity of 1,900 acre-feet, and collects water from a drainage area of 23 square miles. Completed in 1952, 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 02/20/2020.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Oregon |
| County | Jefferson |
| Nearest City | Maupin |
| River/Stream | Hay Creek |
| Coordinates | 44.59733, -120.92703 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 30 ft |
| Dam Length | 750 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 1,900 acre-ft |
| Max Storage | 1,900 acre-ft |
| Normal Storage | 1,580 acre-ft |
| Surface Area | 106 acres |
| Drainage Area | 23 sq mi |
| Max Discharge | 385 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HAY CREEK RANCH |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 02/20/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR00241 |
| Federal ID | OR00241 |
| More Info | State Dam Safety Program |