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 76–100 of 856
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Botens Reservoir Klamath County | 17 | — | Low | Not Rated |
| Bounds Reservoir Jackson County | 26 | 1984 | Significant | Not Rated |
| Box Springs Reservoir Malheur County | 13 | 1928 | Low | Not Rated |
| Bradetich Reservoir Deschutes County | 11 | — | Low | Not Rated |
| Bradshaw Jackson County | 50 | 1966 | Significant | Not Rated |
| Bradshaw 2 Jackson County | 22 | 1966 | Significant | Not Rated |
| Brewer Reservoir (Jefferson) Jefferson County | 32 | 1952 | Significant | Not Rated |
| Briscoe Reservoir Clackamas County | 25 | 1966 | Low | Not Rated |
| Brownlee Baker County | 395 | 1958 | High | Fair |
| Brown Reservoir (Harney) Harney County | 35 | 1923 | Low | Not Rated |
| Bryant Mt. Dam Klamath County | 15 | 1946 | Low | Not Rated |
| Bryant Mt. Reservoir 2 Klamath County | 24 | 1962 | Low | Not Rated |
| Buche (Clackamas) Clackamas County | 33 | 1989 | High | Fair |
| Buck Butte Reservoir Klamath County | 28 | 1976 | Low | Not Rated |
| Buether Lower Reservoir Sherman County | 33 | 1966 | Low | Not Rated |
| Buether Upper Reservoir Sherman County | 37 | 1955 | Low | Not Rated |
| Buffalo Lake Dam Grant County | 22 | 1963 | Low | Not Rated |
| Bullard Creek F.R.S. ( Lake) Lake County | 35 | — | High | Satisfactory |
| Bull Prairie Reservoir Grant County | 51 | 1961 | Low | Not Rated |
| Bull Run Lake Dam Multnomah County | 57 | 1965 | Low | Not Rated |
| Bully Creek Dam Malheur County | 121 | 1963 | High | Not Available |
| Bump Farm Reservoir Washington County | 39 | 1956 | Low | Not Rated |
| Bumphead Reservoir Klamath County | 27 | 1957 | Low | Not Rated |
| Burkhalter #2 Washington County | 15 | 1952 | Significant | Not Rated |
| Butte Malheur County | 14 | 1918 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.