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.

July 21, 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
River_Or_Stream Old Creek
Surface_Area 594
Hazard_Potential High
Dam_Length 850
Primary_Dam_Type Earth
Nid_Height 193

Regional Streamflow

31

Cubic Feet Per Second

0

Cubic Feet Per Second

31

Cubic Feet Per Second

2

Cubic Feet Per Second

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