Emerald Lake 1 Ler
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | San Mateo |
| Nearest City | Redwood City |
| River/Stream | Tr San Fran Bay |
| Coordinates | 37.46730, -122.26250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 57 ft |
| Dam Height | 57 ft |
| Dam Length | 280 ft |
| Year Completed | 1885 (141 years old) |
Storage & Hydraulics
| NID Storage | 45 acre-ft |
| Max Storage | 45 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Emerald Lake Country Club |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/25/2025 |
| Emergency Action Plan | Yes |