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 26–39 of 39
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Indian Lake Umatilla County | 56 | 1969 | High | Fair |
| Hayhurst Road Douglas County | 30 | 1958 | High | Fair |
| Foster Log Pond Linn County | 19 | 1946 | High | Fair |
| Drews Lake County | 63 | 1914 | High | Fair |
| Development No. 1 Dam Multnomah County | 200 | 1929 | High | Fair |
| Crow Creek Wasco County | 115 | 1968 | High | Fair |
| Cottonwood Lake County | 63 | 1962 | High | Fair |
| Cooper Creek (Sutherlin) Douglas County | 88 | 1971 | High | Fair |
| Cackler Marsh Dam Polk County | 11 | 1995 | Low | Fair |
| Buche (Clackamas) Clackamas County | 33 | 1989 | High | Fair |
| Brownlee Baker County | 395 | 1958 | High | Fair |
| Big Lake County | 10 | 1966 | Low | Fair |
| Bear Creek 3 Douglas County | 58 | 1973 | High | Fair |
| Baker, Er Yamhill County | 59 | 1970 | High | Fair |
PreviousPage 2 of 2
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.