Pringle Flat Reservoir is an earth dam located in Crook County, Oregon, built in 1923. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 430 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Pringle Flat Reservoir
The primary purpose of Pringle Flat Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Greer & Associates (private). It impounds the Pringle Flat near Millican.
The dam stands 15 feet tall and stretches 430 feet across, creates a reservoir covering 83 acres, has a maximum storage capacity of 480 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1923, the structure is over a century 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 04/04/2019.
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Location
| State | Oregon |
| County | Crook |
| Nearest City | Millican |
| River/Stream | Pringle Flat |
| Coordinates | 43.88055, -120.43520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 430 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 480 acre-ft |
| Max Storage | 480 acre-ft |
| Normal Storage | 480 acre-ft |
| Surface Area | 83 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 700 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Greer & Associates |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/04/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00091 |
| Federal ID | OR00091 |
| More Info | State Dam Safety Program |