Oregon Dams
856 dams tracked by the National Inventory of Dams
Total Dams
856
High Hazard
155
18.1%
Poor / Unsatisfactory
47
Average Age
67 yrs
Hazard Classification
High155 (18.1%)
Significant166 (19.4%)
Low535 (62.5%)
Condition Assessment
Satisfactory62 (7.2%)
Fair39 (4.6%)
Poor / Unsatisfactory47 (5.5%)
Not Rated708 (82.7%)
Federal
122
State
14
Local
94
Private
603
Tallest Dams
- Cougar Dam519 ft
- Detroit Dam463 ft
- Round Butte440 ft
- Owyhee Dam417 ft
- Brownlee395 ft
High Hazard Dams
- Cougar DamHigh
- Detroit DamHigh
- Round ButteHigh
- Owyhee DamHigh
- BrownleeHigh
Poor Condition Dams
- SmithUnsatisfactory
- Hosler (Reeder GulchUnsatisfactory
- Willow Creek 3 (Malheur)Unsatisfactory
- Clear BranchUnsatisfactory
- Bear CreekPoor
All Dams in Oregon
Showing 226–250 of 856
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Ennis Creek Dam Lake County | 27 | — | Low | Not Rated |
| Eola Hills Reservoir Polk County | 19 | 1985 | Significant | Not Rated |
| Ettinger Pond Washington County | 18 | 1954 | Significant | Not Rated |
| Evans Reservoir (Wasco) Wasco County | 14 | 1953 | Low | Not Rated |
| Fairview Lake Multnomah County | 18 | 1919 | Low | Not Rated |
| Fall Creek Dam Lane County | 205 | 1965 | High | Not Available |
| Faraday Diversion Clackamas County | 84 | 1965 | Significant | Satisfactory |
| Faraday Forebay Clackamas County | 33 | 1907 | High | Satisfactory |
| Farnam Creek Reservoir Lane County | 34 | 1970 | Significant | Not Rated |
| Faye Canyon Reservoir Harney County | 14 | 1968 | Low | Not Rated |
| Fehrenbacker Reservoir 2 Deschutes County | 18 | 1959 | Low | Not Rated |
| Fenimore, Clyde Reservoir Lake County | 17 | 1960 | Low | Not Rated |
| Fern Creek Polk County | 21 | 2019 | Significant | Not Rated |
| Fern Ridge Dam Lane County | 49 | 1941 | High | Not Available |
| Ferry Creek Curry County | 65 | 1966 | High | Unsatisfactory |
| Fidel Bros. Irr. Reservoir Yamhill County | 21 | 1969 | Low | Not Rated |
| Fish Creek Diversion Dam Douglas County | 17 | 1990 | Significant | Not Rated |
| Fish Creek Forebay Douglas County | 14 | 1951 | Significant | Satisfactory |
| Fisher, James O Reservoir Columbia County | 34 | 1971 | Low | Not Rated |
| Fishhawk Lake Clatsop County | 40 | 1969 | Significant | Not Rated |
| Fishhole Creek Reservoir Lake County | 17 | 1928 | Low | Not Rated |
| Fish Lake (Baker) Baker County | 24 | 1953 | Low | Not Rated |
| Fish Lake Dam Jackson County | 50 | 1908 | High | Not Available |
| Fitzgerald Reservoir Lake County | 28 | 1941 | Low | Not Rated |
| Fleet Reservoir 2 Union County | 14 | 1977 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.