Dams in Mendocino County, California
28Total Dams
15High Hazard
6Significant
Dam Safety in Mendocino County, California
Mendocino County has 28 dams tracked in the National Inventory of Dams. Of these, 15 are classified as high hazard — meaning failure would probably cause loss of human life. Another 6 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Mendocino County is 69 years old. The most common purpose is water supply. The tallest dam is Coyote Valley Dam at 180 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Coyote Valley Dam | High | Not Available | 180 | Flood Risk Reduction | 1959 |
| Crawford Ranch | High | Satisfactory | 80 | Other | 1972 |
| Lolonis Vineyards | High | Satisfactory | 67 | Water Supply | 1999 |
| Morris | High | Satisfactory | 66 | Water Supply | 1927 |
| Scout Lake | High | Satisfactory | 63 | Water Supply | 1964 |
| Cape Horn | High | Fair | 63 | Hydroelectric | 1907 |
| Centennial | High | Satisfactory | 62 | Water Supply | 1990 |
| Bevans Creek | High | Satisfactory | 51 | Other | 1955 |
| Lake Ada Rose | High | Satisfactory | 50 | Water Supply | 1964 |
| Mendocino 3 Upper | High | Satisfactory | 49 | Other | 1915 |
| Brooktrails 3 North | High | Satisfactory | 49 | Other | 1970 |
| Round Mountain | High | Satisfactory | 43 | Other | 1964 |
| Mendocino Middle | High | Poor | 39 | Other | 1908 |
| Mcguire | High | Satisfactory | 27 | Water Supply | 1967 |
| Johnson Ranch | High | Fair | 26 | Irrigation | |
| Mast | Significant | Satisfactory | 85 | Water Supply | 1963 |
| Bradford | Significant | Satisfactory | 58 | Water Supply | 1985 |
| Chinquapin | Significant | Satisfactory | 49 | Water Supply | 1971 |
| Mcnab | Significant | Satisfactory | 40 | Other | 1947 |
| Cornett | Significant | Satisfactory | 31 | Water Supply | 1974 |
| Feliz North Lake | Significant | Fair | 24 | Water Supply | |
| Jayne's Lake | Low | Satisfactory | 70 | Other | 1985 |
| Williams Valley | Low | Satisfactory | 47 | Water Supply | 1965 |
| Ridgewood | Low | Satisfactory | 44 | Water Supply | 1929 |
| Schwindt | Low | Not Rated | 37 | Water Supply | |
| Perry Gulch | Low | Satisfactory | 37 | Water Supply | 1980 |
| Codding Reservoir | Low | Fair | 36 | Other | |
| Mill Pond | Low | Fair | 33 | Water Supply | 1885 |