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 726–750 of 856
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Clover Creek Reservoir (Baker) Baker County | 30 | 1989 | Low | Not Rated |
| Clemens Reservoir Harney County | 41 | 1967 | Low | Not Rated |
| Clearwater No 2 Forebay Douglas County | 13 | 1953 | High | Satisfactory |
| Clearwater No 1 Forebay Douglas County | 17 | 1953 | Low | Satisfactory |
| Clear Creek Reservoir-West Fork Baker County | 24 | 1924 | Significant | Not Rated |
| Clear Branch Hood River County | 110 | 1969 | High | Unsatisfactory |
| Clausen Dam Coos County | 15 | 1995 | Low | Not Rated |
| Clark Lake Wheeler County | 15 | 1971 | Low | Not Rated |
| City of Mt. Angel Lagoon Marion County | 11 | — | Low | Not Rated |
| Chickahominy Reservoir Harney County | 38 | 1951 | Significant | Not Rated |
| Chevally Reservoir Malheur County | 30 | 1933 | Low | Not Rated |
| Cherry Creek Jefferson County | 45 | 1980 | Low | Not Rated |
| Charley Horse Reservoir Jackson County | 26 | 1966 | Low | Not Rated |
| Chapman Upper Malheur County | 15 | 1948 | Low | Not Rated |
| Center Harney County | 8 | 1981 | Low | Satisfactory |
| Cedar Grove Lake Clackamas County | 11 | — | Significant | Not Rated |
| Castro Reservoir Malheur County | 22 | 1982 | Low | Not Rated |
| Case Creek Dam 1 Marion County | 25 | 1971 | Low | Not Rated |
| Carty Reservoir Morrow County | 82 | 1976 | Significant | Not Rated |
| Carroll Reservoir Lane County | 30 | 1955 | Low | Not Rated |
| Carmen Diversion Linn County | 17 | 1963 | Low | Unsatisfactory |
| Carlton Hills Pond G Yamhill County | 24 | 2008 | Low | Not Rated |
| Canyonville Reservoir Douglas County | 58 | 1983 | Significant | Not Rated |
| Camp Creek Reservoir (Crook) Crook County | 19 | 1945 | Low | Not Rated |
| Camp Creek Reservoir (Baker) Baker County | 45 | 1932 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.