Dams in Solano County, California
20Total Dams
14High Hazard
1Significant
Dam Safety in Solano County, California
Solano County has 20 dams tracked in the National Inventory of Dams. Of these, 14 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in Solano County is 76 years old. The most common purpose is water supply. The tallest dam is Summit Reservoir at 124 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Summit Reservoir | High | Satisfactory | 124 | Water Supply | 1968 |
| Lake Madigan | High | Satisfactory | 89 | Water Supply | 1908 |
| Swanzy Lake | High | Poor | 86 | Water Supply | 1931 |
| Lake Frey | High | Fair | 83 | Water Supply | 1894 |
| Municipal | High | Satisfactory | 56 | Water Supply | 1939 |
| Lake Herman | High | Satisfactory | 51 | Water Supply | 1905 |
| Lake Chabot | High | Satisfactory | 47 | Other | 1870 |
| Green Valley Lake | High | Satisfactory | 40 | Water Supply | 1956 |
| Fleming Hill No. 2 | High | Satisfactory | 39 | Water Supply | 1912 |
| Bascherini | High | Satisfactory | 35 | Water Supply | 1962 |
| Encinosa Basin North | High | Satisfactory | 21 | Flood Risk Reduction | 2009 |
| Lynch Canyon | High | Fair | 21 | Water Supply | |
| Giles | High | Poor | 18 | Water Supply | 1965 |
| Pennsylvania Creek | High | Satisfactory | 14 | Flood Risk Reduction | 1958 |
| Detention Pond A | Significant | Satisfactory | 15 | Flood Risk Reduction | 1989 |
| Pond 2b | Low | Satisfactory | 55 | Water Supply | 1975 |
| Terminal Dam | Low | Not Available | 28 | Irrigation | 1959 |
| Montezuma | Low | Satisfactory | 14 | Water Supply | 2003 |
| Lagoon Valley County Park | Low | Satisfactory | 13 | Water Supply | 1981 |
| Maine Prairie 3 | Low | Satisfactory | 11 | Other | 1965 |