Lopez
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | San Luis Obispo |
| Nearest City | Arroyo Grande |
| River/Stream | Arroyo Grande Cr |
| Coordinates | 35.18870, -120.48920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 166 ft |
| Dam Height | 166 ft |
| Dam Length | 1,120 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 52,500 acre-ft |
| Max Storage | 52,500 acre-ft |
| Surface Area | 950 acres |
| Drainage Area | 68 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | San Luis Obispo County Flood Control and Water Conservation District |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/29/2025 |
| Emergency Action Plan | Yes |