Green Valley Lake
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Solano |
| Nearest City | Green Valley |
| River/Stream | Dug Road Gulch |
| Coordinates | 38.27060, -122.19730 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 330 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Green Valley Ranch Napa, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/16/2025 |
| Emergency Action Plan | Yes |