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 776–800 of 856
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Van Conklin Dam #6 Wasco County | 50 | 2004 | Low | Not Rated |
| Vandecoevering Clackamas County | 15 | — | Low | Not Rated |
| Vandehey Reservoir Washington County | 12 | 1954 | Low | Not Rated |
| Vanderveer Dam Harney County | 45 | 1920 | Low | Not Rated |
| Vandervelde Lagoon Yamhill County | 10 | 1985 | Low | Not Rated |
| Vanderzanden Reservoir Washington County | 21 | 1967 | Low | Not Rated |
| Vane Ranch Reservoir Malheur County | 33 | 1950 | Low | Not Rated |
| Van Patton Lake Dam Baker County | 27 | 1929 | Low | Not Rated |
| Van Raden Multnomah County | 27 | 1975 | High | Fair |
| Vaughn Log Pond Lane County | 12 | 1951 | Significant | Not Rated |
| Vaughn Reservoir (Malheur) Malheur County | 70 | 1959 | Low | Not Rated |
| Veterans Reservoir Clackamas County | 30 | 1923 | Significant | Not Rated |
| Wade Jackson County | 85 | 1963 | High | Fair |
| Wageman Douglas County | 42 | 1971 | High | Poor |
| Wahkeena Rearing Reservoir Multnomah County | 19 | 1961 | Low | Not Rated |
| Walch Dam Jackson County | 68 | 1954 | High | Poor |
| Walchli Reservoir Umatilla County | 32 | 1980 | Low | Not Rated |
| Waldo Lake Marion County | 13 | 1960 | Significant | Not Rated |
| Walker (Bryan Creek) Yamhill County | 35 | 1956 | Significant | Not Rated |
| Walker Reservoir 2 Polk County | 12 | 1977 | Low | Not Rated |
| Wallace Ingebrand Polk County | 11 | 1979 | Low | Not Available |
| Waller No. 3 Grant County | 71 | 1965 | Low | Not Rated |
| Wallowa Lake Wallowa County | 40 | 1931 | High | Poor |
| Walls Lake Dam Harney County | 16 | 2004 | Low | Fair |
| Walters, Glenn #1 - Large Washington County | 28 | 1969 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.