San Andreas
High HazardFair ConditionEmergency Action Plan: Yes
Location
| County | San Mateo |
| Nearest City | San Mateo |
| River/Stream | San Andreas Creek |
| Coordinates | 37.57980, -122.41290 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 107 ft |
| Dam Height | 107 ft |
| Dam Length | 727 ft |
| Year Completed | 1870 (156 years old) |
Storage & Hydraulics
| NID Storage | 19,027 acre-ft |
| Max Storage | 19,027 acre-ft |
| Surface Area | 550 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City and County of San Francisco |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 11/20/2024 |
| Emergency Action Plan | Yes |