Zielinski Farm Reservoir is an earth dam located in Clackamas County, Oregon, built in 1974. It carries a Significant hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 300 ft long, taller than 55% of U.S. dams with a recorded height. 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 Zielinski Farm Reservoir
The primary purpose of Zielinski Farm Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Wally Zelinski (private). It impounds the Trib to Cedar Creek near Canby.
The dam stands 26 feet tall and stretches 300 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 41 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 09/30/2020.
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Location
| State | Oregon |
| County | Clackamas |
| Nearest City | Canby |
| River/Stream | Trib to Cedar Creek |
| Coordinates | 45.14401, -122.70142 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 300 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 41 acre-ft |
| Max Storage | 41 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 49 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Wally Zelinski |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/30/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR00711 |
| Federal ID | OR00711 |
| More Info | State Dam Safety Program |