San Marcos
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | San Diego |
| Nearest City | San Marcos |
| River/Stream | Tr San Marcos Crk |
| Coordinates | 33.11530, -117.16710 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 85 ft |
| Dam Height | 85 ft |
| Dam Length | 400 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 320 acre-ft |
| Max Storage | 320 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Vallecitos Water District |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/03/2025 |
| Emergency Action Plan | Yes |