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 166
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Jesse Enlargement Washington County | 32 | 1998 | Significant | Not Rated |
| Jimmy Creek Reservoir Union County | 42 | 1981 | Significant | Not Rated |
| Katz Farm Yamhill County | 20 | 1994 | Significant | Not Rated |
| Kennel Reservoir Polk County | 27 | 1977 | Significant | Not Rated |
| Killamacue Reservoir Baker County | 12 | 1908 | Significant | Not Rated |
| Kinnan, Frank Reservoir Douglas County | 45 | 1968 | Significant | Not Rated |
| Koinenia Lake Dam Marion County | 42 | 1976 | Significant | Not Rated |
| Koning "E" Reservoir Polk County | 24 | 1995 | Significant | Not Rated |
| Kuehne Dam Yamhill County | 38 | 1952 | Significant | Not Rated |
| Lake Roslyn Clackamas County | 49 | 1959 | Significant | Not Rated |
| Lester James #1 Jackson County | 22 | 1953 | Significant | Not Rated |
| Lester James Reservoir 2 Jackson County | 15 | 1958 | Significant | Not Rated |
| Lester James Reservoir 3 Jackson County | 15 | 1959 | Significant | Not Rated |
| Lind Reservoir Washington County | 21 | 1970 | Significant | Not Rated |
| Little Park Dam Union County | 32 | 1958 | Significant | Not Rated |
| Lorence Lake Marion County | 28 | 1959 | Significant | Not Rated |
| Love Reservoir (Baker) Baker County | 32 | 1952 | Significant | Not Rated |
| Love Reservoir (Malheur) Malheur County | 44 | 1907 | Significant | Not Rated |
| Mainline 1 Crook County | 57 | 1969 | Significant | Not Rated |
| Mainline 3 Crook County | 42 | 1971 | Significant | Not Rated |
| Maple Headquarters Reservoir Washington County | 19 | 1986 | Significant | Not Rated |
| Mccormick Reservoir Jackson County | 24 | 1954 | Significant | Not Rated |
| Mckenzie Canyon Dam Deschutes County | 18 | 1959 | Significant | Not Rated |
| Meacham Lake Dam Umatilla County | 14 | — | Significant | Not Rated |
| Micke Lake County | 20 | — | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.