Fredericks Pond
Fredericks Pond is an earth dam located in Marion County, Oregon, built in 1974. It carries a Significant hazard potential classification.
About Fredericks Pond
The primary purpose of Fredericks Pond is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Maple Leaf Lake Homeowners Association (private). It impounds the Mill Creek, Trib To near Aurora.
The dam stands 26 feet tall and stretches 233 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 48 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, 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 10/01/2020.
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Location
| State | Oregon |
| County | Marion |
| Nearest City | Aurora |
| River/Stream | Mill Creek, Trib To |
| Coordinates | 45.20586, -122.79565 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 233 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 48 acre-ft |
| Max Storage | 48 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 318 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | MAPLE LEAF LAKE HOMEOWNERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 10/01/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OR00620 |
| Federal ID | OR00620 |
| More Info | State Dam Safety Program |