Cuyamaca
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | San Diego |
| Nearest City | N/A |
| River/Stream | Boulder Creek |
| Coordinates | 32.99060, -116.58630 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 665 ft |
| Year Completed | 1887 (139 years old) |
Storage & Hydraulics
| NID Storage | 11,740 acre-ft |
| Max Storage | 11,740 acre-ft |
| Surface Area | 976 acres |
| Drainage Area | 12 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Helix Water District |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/23/2025 |
| Emergency Action Plan | Yes |