Whale Rock
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | San Luis Obispo |
| Nearest City | Cayucos |
| River/Stream | Old Creek |
| Coordinates | 35.44780, -120.88700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 193 ft |
| Dam Height | 193 ft |
| Dam Length | 850 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 40,662 acre-ft |
| Max Storage | 40,662 acre-ft |
| Surface Area | 594 acres |
| Drainage Area | 20 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Whale Rock Commission |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/28/2025 |
| Emergency Action Plan | Yes |