Modesto Reservoir
California — Stanislaus County — Tr Tuolumne Rv
Location
| State | California |
| County | Stanislaus |
| River | Tr Tuolumne Rv |
| Coordinates | 37.66200, -120.68070 |
Physical Characteristics
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 1,235 ft |
| NID Storage | 40,000 acre-ft |
| Max Storage | 40,000 acre-ft |
| Surface Area | 3,800 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | October 30, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1911 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | Modesto Irrigation 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.