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 251–275 of 856
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| 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 |
| Forcia and Larsen Log Pond Lane County | 19 | 1923 | Significant | Not Rated |
| Ford Farms Reservoir Lane County | 25 | 1959 | Significant | Not Rated |
| Fort Creek Reservoir Wheeler County | 23 | 1953 | Low | Not Rated |
| Foster Dam Linn County | 126 | 1967 | High | Not Available |
| Foster Log Pond Linn County | 19 | 1946 | High | Fair |
| Fourmile Lake Dam Klamath County | 25 | 1922 | Low | Not Available |
| Fourth Creek Coos County | 21 | 1930 | High | Satisfactory |
| Fox Reservoir Marion County | 25 | 1951 | Low | Not Rated |
| Franzen Marion County | 33 | 1952 | High | Satisfactory |
| Frazier Seeding Reservoir (Blm) Harney County | 25 | — | Low | Not Rated |
| Fred Creek Lake Dam Wheeler County | 25 | 1906 | Low | Not Rated |
| Fredericks Pond Marion County | 26 | 1974 | Significant | 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 |
| Frog Lake Dam B Clackamas County | 70 | 1955 | Significant | Unsatisfactory |
| Frog Pond #1 Jackson County | 22 | 1968 | Significant | Not Rated |
| Funrue Marion County | 31 | 1972 | Significant | Not Rated |
| Fuston Ranch Dam Jefferson County | 30 | — | Significant | Not Rated |
| Galesville Douglas County | 167 | 1985 | High | Satisfactory |
| Gardener Reservoir Jackson County | 65 | 1952 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.