Milliken
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Napa |
| Nearest City | Napa |
| River/Stream | Milliken Creek |
| Coordinates | 38.37730, -122.22890 |
Physical Characteristics
| Dam Type | Arch |
| NID Height | 110 ft |
| Dam Height | 110 ft |
| Dam Length | 647 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 1,980 acre-ft |
| Max Storage | 1,980 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 9 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Napa |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/12/2024 |
| Emergency Action Plan | Yes |