Dams in Marin County, California
17Total Dams
10High Hazard
5Significant
Dam Safety in Marin County, California
Marin County has 17 dams tracked in the National Inventory of Dams. Of these, 10 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification.
The average dam in Marin County is 75 years old. The most common purpose is water supply. The tallest dam is Peters at 230 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Peters | High | Satisfactory | 230 | Water Supply | 1954 |
| Alpine | High | Satisfactory | 143 | Other | 1917 |
| Soulajule | High | Satisfactory | 122 | Water Supply | 1979 |
| Seeger | High | Satisfactory | 115 | Other | 1961 |
| Bon Tempe | High | Satisfactory | 98 | Other | 1949 |
| Phoenix Lake | High | Satisfactory | 90 | Water Supply | 1907 |
| Novato Creek | High | Satisfactory | 71 | Other | 1951 |
| Big Rock Ranch | High | Satisfactory | 45 | Water Supply | 2002 |
| Vonsen | High | Satisfactory | 35 | Water Supply | 1951 |
| Tennessee Valley Dam | High | Not Available | 30 | ||
| Lagunitas | Significant | Satisfactory | 48 | Water Supply | 1872 |
| Hagmaier South | Significant | Not Available | 25 | 1944 | |
| Home Ranch Dam | Significant | Not Available | 23 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Mill Pond | Significant | Not Available | 21 | 1956 | |
| Redwood Landfill Leachate Impoundment | Significant | Fair | 10 | Tailings | 1991 |
| Dolcini | Low | Satisfactory | 35 | Water Supply | 1949 |
| Walker Creek | Low | Satisfactory | 25 | Irrigation | 1976 |