Ettinger Pond is an earth dam located in Washington County, Oregon, built in 1954. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 235 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 Ettinger Pond
The primary purpose of Ettinger Pond is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Patrick Unger (private). It impounds the Gordon Creek near Orenco.
The dam stands 18 feet tall and stretches 235 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1954, 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 11/05/2020.
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Location
| State | Oregon |
| County | Washington |
| Nearest City | Orenco |
| River/Stream | Gordon Creek |
| Coordinates | 45.48862, -122.93006 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 16 ft |
| Dam Length | 235 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 25 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Patrick Unger |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 11/05/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OR00260 |
| Federal ID | OR00260 |
| More Info | State Dam Safety Program |