Emerald Lake 1 Ler
California — San Mateo County — Tr San Fran Bay
Location
| State | California |
| County | San Mateo |
| River | Tr San Fran Bay |
| Coordinates | 37.46730, -122.26250 |
Physical Characteristics
| NID Height | 57 ft |
| Dam Height | 57 ft |
| Dam Length | 280 ft |
| NID Storage | 45 acre-ft |
| Max Storage | 45 acre-ft |
| Surface Area | 4 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | June 25, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1885 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Emerald Lake Country Club |
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.