Allen Creek
Allen Creek is an other dam located in Crook County, Oregon, built in 1959. It carries a Low hazard potential classification.
About Allen Creek
The primary purpose of Allen Creek is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Waibel Ranches Llc (private). It impounds the Allen Creek near Post.
The dam stands 83 feet tall and stretches 850 feet across, creates a reservoir covering 78 acres, has a maximum storage capacity of 2,189 acre-feet, and collects water from a drainage area of 12 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 06/12/2019.
At 83 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | Oregon |
| County | Crook |
| Nearest City | Post |
| River/Stream | Allen Creek |
| Coordinates | 44.38284, -120.16559 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 83 ft |
| Dam Height | 78 ft |
| Dam Length | 850 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 2,189 acre-ft |
| Max Storage | 2,189 acre-ft |
| Normal Storage | 1,825 acre-ft |
| Surface Area | 78 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 750 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WAIBEL RANCHES LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/12/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00313 |
| Federal ID | OR00313 |
| More Info | State Dam Safety Program |