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 1–25 of 155
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Agate Dam Jackson County | 86 | 1965 | High | Not Available |
| Agency Valley Dam Malheur County | 110 | 1934 | High | Not Available |
| Antelope Malheur County | 60 | 1923 | High | Satisfactory |
| Applegate Dam Jackson County | 242 | 1980 | High | Not Available |
| Arthur R. Bowman Dam Crook County | 245 | 1961 | High | Not Available |
| Baker, Er Yamhill County | 59 | 1970 | High | Fair |
| Barnes Butte Crook County | 33 | 1956 | High | Poor |
| Barney Washington County | 165 | 1998 | High | Satisfactory |
| Bear Creek Clatsop County | 94 | 1953 | High | Poor |
| Bear Creek 3 Douglas County | 58 | 1973 | High | Fair |
| Berry Creek Douglas County | 148 | 1980 | High | Satisfactory |
| Big Cliff Dam Marion County | 172 | 1954 | High | Not Available |
| Big Creek #1 (Lower) Lincoln County | 21 | 1951 | High | Unsatisfactory |
| Big Creek #2 (Upper) Lincoln County | 58 | 1970 | High | Unsatisfactory |
| Blue River Dam Lane County | 270 | 1968 | High | Not Available |
| Bonneville Locks and Dam Multnomah County | 197 | 1938 | High | Not Available |
| Brownlee Baker County | 395 | 1958 | High | Fair |
| Buche (Clackamas) Clackamas County | 33 | 1989 | High | Fair |
| Bullard Creek F.R.S. ( Lake) Lake County | 35 | — | High | Satisfactory |
| Bully Creek Dam Malheur County | 121 | 1963 | High | Not Available |
| Clear Branch Hood River County | 110 | 1969 | High | Unsatisfactory |
| Clearwater No 2 Forebay Douglas County | 13 | 1953 | High | Satisfactory |
| Cold Springs Dam Umatilla County | 115 | 1908 | High | Not Available |
| Cooper Creek (Sutherlin) Douglas County | 88 | 1971 | High | Fair |
| Cottage Grove Dam Lane County | 103 | 1942 | High | Not Available |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.