Sack
California — Madera County — San Joaquin River
Location
| State | California |
| County | Madera |
| River | San Joaquin River |
| Coordinates | 36.98370, -120.50000 |
Physical Characteristics
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 100 ft |
| NID Storage | 165 acre-ft |
| Max Storage | 165 acre-ft |
| Surface Area | 37 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | No |
| Last Inspection | March 27, 2025 |
| Inspection Frequency | 0.5 |
Dam Information
| Year Completed | 1946 |
| Primary Purpose | Other |
| Dam Type | Buttress |
| Owner Type | Public Utility |
| Owner | Henry Miller Reclamation District |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.