Flynn Reservoir
Flynn Reservoir is an earth dam located in Lake County, Oregon, built in 1949. It carries a Low hazard potential classification.
About Flynn Reservoir
The primary purpose of Flynn Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jjf Ranch Limited Partnership (private). It impounds the Mapes Creek near Adel.
The dam stands 17 feet tall and stretches 520 feet across, creates a reservoir covering 44 acres, has a maximum storage capacity of 252 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1949, the structure is well-established, with more than 75 years of service.
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 08/14/2018.
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Location
| State | Oregon |
| County | Lake |
| Nearest City | Adel |
| River/Stream | Mapes Creek |
| Coordinates | 42.27778, -120.07000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 16 ft |
| Dam Length | 520 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 252 acre-ft |
| Max Storage | 252 acre-ft |
| Normal Storage | 252 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 92 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JJF RANCH LIMITED PARTNERSHIP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/14/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00195 |
| Federal ID | OR00195 |
| More Info | State Dam Safety Program |