| Whale Rock Reservoir | |
| Coords: | 35.4583°N 120.8722°W |
| Catchment: | 20.6mi2 |
| Basin Countries: | United States |
| Elevation: | 150feet |
| Pushpin Map: | California#USA |
| Pushpin Map Alt: | Location of Whale Rock Reservoir in California, USA. |
Whale Rock Reservoir is a reservoir near Cayucos in San Luis Obispo County, California.[1]
The reservoir was formed by the building of Whale Rock Dam on Old Creek by the Whale Rock Commission. It is a 193feet tall earthfill dam that was completed in . The reservoir has a capacity of 40662abbr=unitNaNabbr=unit. The watershed has an area of 20.6mi2. It provides drinking water for the city of San Luis Obispo, the California Men's Colony, Cal Poly, and the Cayucos Area Water Organization.[2] The water is brought to San Luis Obispo by the 17.6miles long, 30inches diameter Whale Rock Conduit.