Frog Pond #1 is an earth dam located in Jackson County, Oregon, built in 1968. It carries a Significant hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 1,060 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 Frog Pond #1
The primary purpose of Frog Pond #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Cascade Ranches (private). It impounds the Lost Creek, Harrison Creek, and Ot near Lake Creek.
The dam stands 22 feet tall and stretches 1,060 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1968, 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 11/26/2019.
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Location
| State | Oregon |
| County | Jackson |
| Nearest City | Lake Creek |
| River/Stream | Lost Creek, Harrison Creek, and Ot |
| Coordinates | 42.37681, -122.65393 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,060 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 95 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Cascade Ranches |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 11/26/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR00459 |
| Federal ID | OR00459 |
| More Info | State Dam Safety Program |