Upper Wilcox
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Madera |
| River/Stream | Unnamed Tributary To Picayunne Creek |
| Coordinates | 37.22550, -119.68490 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 840 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | C.B.S. Development Corporation |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/28/2025 |
| Emergency Action Plan | Yes |