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 51–62 of 62
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Crows Nest Reservoir Malheur County | 29 | 2004 | Low | Satisfactory |
| Croft Polk County | 45 | 1968 | High | Satisfactory |
| Crescent Lake Klamath County | 41 | 1956 | High | Satisfactory |
| Cow Creek Iwr Auxiliary Dam Douglas County | 98 | 2007 | High | Satisfactory |
| Cow Creek Dam No. 1 Douglas County | 95 | 2005 | High | Satisfactory |
| Clearwater No 2 Forebay Douglas County | 13 | 1953 | High | Satisfactory |
| Clearwater No 1 Forebay Douglas County | 17 | 1953 | Low | Satisfactory |
| Center Harney County | 8 | 1981 | Low | Satisfactory |
| Bullard Creek F.R.S. ( Lake) Lake County | 35 | — | High | Satisfactory |
| Berry Creek Douglas County | 148 | 1980 | High | Satisfactory |
| Barney Washington County | 165 | 1998 | High | Satisfactory |
| Antelope Malheur County | 60 | 1923 | High | Satisfactory |
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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.