Whale Rock Reservoir

Whale Rock Reservoir is a reservoir near Cayucos in San Luis Obispo County, California.
The reservoir was formed by the building of Whale Rock Dam on Old Creek by the Whale Rock Commission. It is a tall earthfill dam that was completed in. The reservoir has a capacity of. The watershed has an area of. It provides drinking water for the city of San Luis Obispo, the California Men's Colony, Cal Poly, and the Cayucos Area Water Organization. The water is brought to San Luis Obispo by the long, diameter Whale Rock Conduit.