Maxville
High HazardSatisfactory ConditionEmergency Action Plan: No
Location
| County | Napa |
| Nearest City | St. Helena |
| River/Stream | Maxwell Creek |
| Coordinates | 38.56130, -122.38080 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 330 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 183 acre-ft |
| Max Storage | 183 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Maxville Lake Winery |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/12/2025 |
| Emergency Action Plan | No |