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 301–325 of 535
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Konyn Dairy Lagoon Lane County | 10 | — | Low | Not Rated |
| Koning "F" Reservoir Polk County | 23 | 1995 | Low | Not Rated |
| Kluchman Creek Dam Crook County | 36 | 1951 | Low | Not Rated |
| Kivett 3 Baker County | 26 | 1950 | Low | Not Rated |
| Kinzua Wheeler County | 27 | 1955 | Low | Not Rated |
| Kinney Lake Wallowa County | 22 | 1913 | Low | Not Rated |
| Kilgore Reservoir Klamath County | 14 | 1964 | Low | Not Rated |
| Ketchum Wasco County | 38 | 1964 | Low | Not Rated |
| Kern Brothers Dam (Harney) Harney County | 54 | 1949 | Low | Not Rated |
| Keno Reservoir Klamath County | 15 | 1959 | Low | Not Rated |
| Kelly Creek Regional Detention Pond Multnomah County | 20 | — | Low | Not Rated |
| Keene Reservoir Yamhill County | 20 | 1957 | Low | Not Rated |
| Kauer Reservoir Yamhill County | 38 | 1968 | Low | Not Rated |
| Justesen Reservoir #1 Sherman County | 21 | 1985 | Low | Not Rated |
| Jones Reservoir Harney County | 21 | 1958 | Low | Not Rated |
| John Vanden Brink Dairy Morrow County | 10 | — | Low | Not Rated |
| Johnson Log Sorting Pond Coos County | 13 | 1951 | Low | Not Rated |
| John F Wood Washington County | 28 | 1971 | Low | Not Available |
| Johan Vineyard Reservoir H Polk County | 35 | — | Low | Not Rated |
| Jacobs Reservoir Dam Lake County | 15 | 1938 | Low | Poor |
| Jaca Dam Malheur County | 34 | — | Low | Not Rated |
| Iverson Reservoir (Douglas) Douglas County | 36 | 1960 | Low | Not Rated |
| Iverson (Clackamas) Clackamas County | 15 | 1994 | Low | Not Rated |
| Iseli Nursery 4 Clackamas County | 20 | 1989 | Low | Not Rated |
| Isakson Reservoir Clackamas County | 30 | 1972 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.