Dams in Jackson County, Oregon
52Total Dams
17High Hazard
20Significant
Dam Safety in Jackson County, Oregon
Jackson County has 52 dams tracked in the National Inventory of Dams. Of these, 17 are classified as high hazard — meaning failure would probably cause loss of human life. Another 20 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.
The average dam in Jackson County is 69 years old. The most common purpose is irrigation. The tallest dam is Applegate Dam at 242 ft.
Explore more: Oldest dams in Oregon · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Applegate Dam | High | Not Available | 242 | Flood Risk Reduction | 1980 |
| Hosler (reeder Gulch | High | Unsatisfactory | 114 | Water Supply | 1928 |
| Howard Prairie Dam | High | Not Available | 100 | Hydroelectric | 1958 |
| Woodrat Knob | High | Unsatisfactory | 92 | Irrigation | 1960 |
| Agate Dam | High | Not Available | 86 | Irrigation | 1965 |
| Wade | High | Fair | 85 | Irrigation | 1963 |
| Lake Creek | High | Fair | 83 | Irrigation | 1965 |
| Keene Creek Dam | High | Not Available | 78 | Hydroelectric | 1959 |
| Walch Dam | High | Poor | 68 | Irrigation | 1954 |
| Osborne Creek | High | Poor | 65 | Irrigation | 1964 |
| Yankee | High | Fair | 61 | Irrigation | 1951 |
| Sams Valley | High | Fair | 61 | Irrigation | 1956 |
| Willow Creek | High | Satisfactory | 59 | Water Supply | 1953 |
| North Fork Diversion Dam | High | Fair | 55 | Hydroelectric | 1928 |
| Hyatt Dam | High | Not Available | 53 | Hydroelectric | 1923 |
| Fish Lake Dam | High | Not Available | 50 | Flood Risk Reduction | 1908 |
| Duggan | High | Poor | 24 | Recreation | 1965 |
| Gardener Reservoir | Significant | Not Rated | 65 | Irrigation | 1952 |
| Bradshaw | Significant | Not Rated | 50 | Irrigation | 1966 |
| North Fork Diversion Dam | Significant | Not Rated | 50 | Hydroelectric | 1965 |
| Woolfolk Reservoir | Significant | Not Rated | 49 | Irrigation | 1955 |
| Squaw Lake Dam | Significant | Not Rated | 34 | Water Supply | 1957 |
| Prospect Forebay Dam | Significant | Satisfactory | 31 | Hydroelectric | 1911 |
| Hoover Pond 2 | Significant | Not Rated | 28 | Recreation | 1962 |
| William L. Jess Dam - Lost Creek Lake Fish Structure | Significant | Not Available | 28 | Fish and Wildlife Pond | 1976 |
| Harrison | Significant | Not Rated | 27 | Irrigation | 1968 |
| Bounds Reservoir | Significant | Not Rated | 26 | Recreation | 1984 |
| Mccormick Reservoir | Significant | Not Rated | 24 | Irrigation | 1954 |
| Hammel No. 2 | Significant | Not Rated | 24 | Irrigation | 1957 |
| Bradshaw 2 | Significant | Not Rated | 22 | Irrigation | 1966 |
| Frog Pond #1 | Significant | Not Rated | 22 | Irrigation | 1968 |
| Lester James #1 | Significant | Not Rated | 22 | Irrigation | 1953 |
| Skou Reservoir | Significant | Not Rated | 22 | Irrigation | 1955 |
| Hoover Pond 1 | Significant | Not Rated | 17 | Recreation | 1962 |
| Lester James Reservoir 3 | Significant | Not Rated | 15 | Irrigation | 1959 |
| Lester James Reservoir 2 | Significant | Not Rated | 15 | Irrigation | 1958 |
| Hoover Pond 3 | Significant | Not Rated | 14 | Recreation | 1962 |
| Star Lake | Low | Not Rated | 56 | Irrigation | 1964 |
| Stanley, Charles W. Reservoir | Low | Not Rated | 45 | Irrigation | 1962 |
| Nelson Reservoir No. 1 | Low | Not Rated | 36 | Irrigation | 1957 |
| South Fork Diversion Dam | Low | Satisfactory | 33 | Hydroelectric | 1932 |
| Pierce Reservoir | Low | Not Rated | 32 | Irrigation | 1955 |
| Owen | Low | Not Rated | 31 | Irrigation | 1975 |
| Ra Murphy Dam | Low | Not Rated | 28 | ||
| Simpson Reservoir (jackson) | Low | Not Rated | 27 | Irrigation | 1967 |
| Charley Horse Reservoir | Low | Not Rated | 26 | Recreation | 1966 |
| Ditch Creek Reservoir | Low | Not Rated | 26 | Irrigation | |
| Little Hyatt Dam | Low | Poor | 23 | Recreation | |
| Dailey Reservoir Log Pond | Low | Not Rated | 22 | Other | 1944 |
| Medford Forest Nursery | Low | Not Rated | 17 | Irrigation | 1978 |
| Emigrant Spillway Dike | Low | Not Available | 14 | Flood Risk Reduction | 1960 |
| Grizzley Creek Reservoir No. 2 | Low | Not Rated | 14 | Irrigation | 1955 |