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 151–175 of 535
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Fisher, James O Reservoir Columbia County | 34 | 1971 | Low | Not Rated |
| Fishhole Creek Reservoir Lake County | 17 | 1928 | Low | Not Rated |
| Fish Lake (Baker) Baker County | 24 | 1953 | Low | Not Rated |
| Fitzgerald Reservoir Lake County | 28 | 1941 | Low | Not Rated |
| Fleet Reservoir 2 Union County | 14 | 1977 | Low | Not Rated |
| Fleets Loop Union County | 18 | 1967 | Low | Not Rated |
| Flynn Reservoir Lake County | 17 | 1949 | Low | Not Rated |
| Fopiano Reservoir Wheeler County | 38 | 1960 | Low | Not Rated |
| Fort Creek Reservoir Wheeler County | 23 | 1953 | Low | Not Rated |
| Fourmile Lake Dam Klamath County | 25 | 1922 | Low | Not Available |
| Fox Reservoir Marion County | 25 | 1951 | Low | Not Rated |
| Frazier Seeding Reservoir (Blm) Harney County | 25 | — | Low | Not Rated |
| Fred Creek Lake Dam Wheeler County | 25 | 1906 | Low | Not Rated |
| Fred Scott Reservoir Malheur County | 24 | 1921 | Low | Not Rated |
| Freeman Reservoir #3 Yamhill County | 24 | 1979 | Low | Not Rated |
| Freezeout Reservoir Crook County | 24 | 1950 | Low | Not Rated |
| Fritz Reservoir Klamath County | 19 | 1956 | Low | Not Rated |
| Gehring Reservoir (Towery Dam) Polk County | 30 | 1959 | Low | Not Rated |
| Georgia Pacific Log Pond Douglas County | 13 | 1949 | Low | Not Rated |
| Gilchrist Log Pond Klamath County | 14 | 1937 | Low | Not Rated |
| Gildersleeve Washington County | 18 | — | Low | Not Rated |
| Gillen Reservoir Crook County | 26 | — | Low | Not Rated |
| Graham Washington County | 34 | 1961 | Low | Not Rated |
| Greaser Lake Reservoir Lake County | 10 | 1963 | Low | Not Rated |
| Greely Dam Malheur County | 11 | 2004 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.