Eaton H. Magoon Lake
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Napa |
| Nearest City | Berryessa Estates, Pope Valley, CA |
| River/Stream | Routan Creek |
| Coordinates | 38.73360, -122.43840 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 925 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 3,760 acre-ft |
| Max Storage | 3,760 acre-ft |
| Surface Area | 246 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Langtry Farms, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/13/2025 |
| Emergency Action Plan | Yes |