Tiger Creek Afterbay
California — Amador County — North Fork Mokelumne River
Location
| State | California |
| County | Amador |
| River | North Fork Mokelumne River |
| Coordinates | 38.44124, -120.50513 |
Physical Characteristics
| NID Height | 120 ft |
| Dam Height | 120 ft |
| Dam Length | 448 ft |
| NID Storage | 2,610 acre-ft |
| Max Storage | 2,607 acre-ft |
| Surface Area | 70 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | August 21, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1931 |
| Primary Purpose | Hydroelectric |
| Dam Type | Concrete |
| Owner Type | Private |
| Owner | Pacific Gas and Electric Company |
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.