49Total Dams
3High Hazard
5Significant
Dam Safety in Lake County, Oregon
Lake County has 49 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in Lake County is 75 years old. The most common purpose is irrigation. The tallest dam is Drews at 63 ft.
Explore more: Oldest dams in Oregon · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Drews | High | Fair | 63 | Irrigation | 1914 |
| Cottonwood | High | Fair | 63 | Irrigation | 1962 |
| Bullard Creek F.r.s. ( Lake) | High | Satisfactory | 35 | Flood Risk Reduction | |
| Thompson Valley Reservoir | Significant | Not assessed | 48 | Irrigation | 1922 |
| Thompson Valley Diversion (slid) | Significant | Not assessed | 48 | Irrigation | 1915 |
| Muddy Creek Reservoir | Significant | Not assessed | 26 | Irrigation | 1962 |
| Cottonwood Meadows | Significant | Not assessed | 26 | Recreation | 1961 |
| Micke | Significant | Not assessed | 20 | Irrigation | |
| Renner Dam | Low | Not assessed | 48 | Irrigation | 1961 |
| Sevan Lake | Low | Not assessed | 45 | Recreation | 1977 |
| Piute Reservoir | Low | Not assessed | 40 | Irrigation | 1953 |
| Hickey Reservoir | Low | Not assessed | 39 | Irrigation | 1967 |
| Taylor Reservoir | Low | Not assessed | 33 | Irrigation | 1985 |
| Lofton Reservoir (lake) | Low | Not assessed | 32 | Irrigation | 1962 |
| White Rock Reservoir | Low | Not assessed | 31 | Irrigation | 1974 |
| Dallas Lake Reservoir | Low | Not assessed | 30 | Irrigation | 1959 |
| Albertson Reservoir (lake) | Low | Not assessed | 30 | Irrigation | 1954 |
| Barry, Nick Reservoir | Low | Not assessed | 29 | Irrigation | 1927 |
| Fitzgerald Reservoir | Low | Not assessed | 28 | Irrigation | 1941 |
| Ennis Creek Dam | Low | Not assessed | 27 | Irrigation | |
| Big Rock Res. Dam | Low | Not assessed | 27 | Other | 1969 |
| Duncan Reservoir - Dam | Low | Not assessed | 25 | Recreation | 1973 |
| Holbrook Reservoir | Low | Not assessed | 25 | Irrigation | 1930 |
| Willow Creek Reservoir (lake) | Low | Not assessed | 23 | Recreation | 1959 |
| Boggy Lake Dam | Low | Not assessed | 23 | Recreation | 1997 |
| MUD Lake | Low | Not assessed | 23 | Fish and Wildlife Pond | 1962 |
| Rivers End Dam | Low | Not assessed | 23 | Irrigation | 1997 |
| Andy Hill Reservoir | Low | Not assessed | 21 | Irrigation | 1961 |
| Withers Dam | Low | Not assessed | 20 | Irrigation | 1911 |
| South Arm Reservoir | Low | Not assessed | 19 | Irrigation | 1908 |
| Sherlock Gulch | Low | Not assessed | 19 | Fish and Wildlife Pond | 1974 |
| Priday Reservoir | Low | Not assessed | 18 | Irrigation | 1961 |
| Lucky | Low | Not assessed | 18 | Fish and Wildlife Pond | 1966 |
| Flynn Reservoir | Low | Not assessed | 17 | Irrigation | 1949 |
| Fenimore, Clyde Reservoir | Low | Not assessed | 17 | Irrigation | 1960 |
| Fishhole Creek Reservoir | Low | Not assessed | 17 | Irrigation | 1928 |
| Mc Corral | Low | Not assessed | 16 | Water Supply | 1972 |
| Lapham Reservoir | Low | Not assessed | 16 | Irrigation | 1920 |
| Calderwood Reservoir | Low | Not assessed | 15 | Irrigation | 1908 |
| Wastewater Lagoon #4 | Low | Not assessed | 15 | Hydroelectric | |
| Jacobs Reservoir Dam | Low | Poor | 15 | Fish and Wildlife Pond | 1938 |
| Guano Slough (BLM) | Low | Not assessed | 14 | Irrigation | 1934 |
| Dry Creek Diversion Dam | Low | Not assessed | 13 | Other | 1974 |
| Heart Lake Or Deep Lake | Low | Not assessed | 12 | Other | 1898 |
| Pitt Lake Dam | Low | Not assessed | 11 | Irrigation | 1920 |
| Moss Flat | Low | Not assessed | 11 | Irrigation | |
| Greaser Lake Reservoir | Low | Not assessed | 10 | Irrigation | 1963 |
| Big Swamp Reservoir | Low | Not assessed | 10 | Irrigation | 1908 |
| Big | Low | Fair | 10 | Water Supply | 1966 |