Whale Rock
Reservoir Levels • Weather • Hydrology
Whale Rock is a natural landmark located in San Luis Obispo County, California. The rock is a volcanic plug that rose from the ocean floor over 25 million years ago. It is approximately 361 feet tall and dominates the landscape of the nearby town of Cayucos. The hydrology of the area is determined by the Whale Rock Reservoir, which is located just west of the rock. The reservoir provides surface water flow to the area through the Los Osos Creek watershed. The water in the reservoir comes from a combination of surface flow and snowpack melt from the surrounding mountains. The water from the reservoir is used for agricultural purposes in the surrounding area. Recreational activities, such as hiking and fishing, are also popular in the area.
May 20, 2024
°F
°F
mph
Windspeed
%
Humidity
| 24hr Change | None% |
| Percent of Normal | None% |
| Minimum |
|
| Maximum |
|
| Average | |
| Dam_Height | 193 |
| Hydraulic_Height | 176 |
| Drainage_Area | 20.8 |
| Year_Completed | 1960 |
| Nid_Storage | 40662 |
| Hazard_Potential | High |
| Primary_Dam_Type | Earth |
| River_Or_Stream | Old Creek |
| Surface_Area | 594 |
| Dam_Length | 850 |
| Nid_Height | 193 |
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