Antelope Dam
Antelope Dam is an earth dam located in Klamath County, Oregon, built in 1959. It carries a Low hazard potential classification.
About Antelope Dam
The primary purpose of Antelope Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Willow Valley Ranch, C/o Darrel Bagley (private). It impounds the Antelope Creek near Bonanza.
The dam stands 18 feet tall and stretches 900 feet across, creates a reservoir covering 205 acres, has a maximum storage capacity of 1,400 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1959, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 08/12/2015. That was over 10 years ago.
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Location
| State | Oregon |
| County | Klamath |
| Nearest City | Bonanza |
| River/Stream | Antelope Creek |
| Coordinates | 42.04775, -121.02288 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 16 ft |
| Dam Length | 900 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 1,400 acre-ft |
| Max Storage | 1,400 acre-ft |
| Normal Storage | 973 acre-ft |
| Surface Area | 205 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WILLOW VALLEY RANCH, C/O DARREL BAGLEY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/12/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00292 |
| Federal ID | OR00292 |
| More Info | State Dam Safety Program |