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 1–25 of 32
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Barnes Butte Crook County | 33 | 1956 | High | Poor |
| Bear Creek Clatsop County | 94 | 1953 | High | Poor |
| Big Foot Dam Harney County | 16 | 1953 | Low | Poor |
| Currant Creek Wasco County | 82 | 1984 | High | Poor |
| Duggan Jackson County | 24 | 1965 | High | Poor |
| Dusky Marsh Dam Polk County | 10 | 1998 | Low | Poor |
| Happy Valley Wasco County | 70 | 1938 | High | Poor |
| Jacobs Reservoir Dam Lake County | 15 | 1938 | Low | Poor |
| Jubilee Lake Union County | 50 | 1967 | High | Poor |
| Little Hyatt Dam Jackson County | 23 | — | Low | Poor |
| Lonesome Lake Malheur County | 35 | — | High | Poor |
| Mays Jefferson County | 38 | 1960 | High | Poor |
| Mc Nulty Dam Malheur County | 13 | 2004 | Low | Poor |
| Mercer Polk County | 81 | 1961 | High | Poor |
| Morgan Brothers Dam Polk County | 35 | 1962 | Low | Poor |
| Morgan Lake Union County | 24 | 1976 | High | Poor |
| Morrison Dam Malheur County | 33 | 1911 | Low | Poor |
| Osborne Creek Jackson County | 65 | 1964 | High | Poor |
| Parvipes Marsh Dam Polk County | 10 | 1995 | Low | Poor |
| Pole Creek Malheur County | 58 | 1944 | High | Poor |
| Pony Creek - Lower Coos County | 38 | 1988 | High | Poor |
| S. Fork Squaw Creek Dam Malheur County | 33 | 1970 | Low | Poor |
| South Cottonwood Creek Reservoir Malheur County | 28 | 1961 | Low | Poor |
| Steer Canyon Dam Malheur County | 26 | 1954 | Low | Poor |
| Taverner Marsh Dam Polk County | 9 | 1998 | Low | Poor |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.