Calero Reservoir
Calero Reservoir is an artificial lake in the Santa Teresa Hills south of San Jose, California, United States. A county park surrounds the reservoir and provides limited fishing, picnicking, hiking, and horseback riding activities. Although swimming is prohibited, boating, water-skiing and jet-skiing are permitted in the reservoir.
The California Office of Environmental Health Hazard Assessment released a "Do Not Eat" warning regarding eating any fish caught from this reservoir based on the elevated mercury level.History
The reservoir was formed by the Calero Dam, built in 1935 across Arroyo Calero, which is also known as Calero Creek. Its waters reach the San Francisco Bay by way of Los Alamitos Creek and the Guadalupe River. It is the fourth largest reservoir owned by the Santa Clara Valley Water District.
The reservoir captures and stores winter runoff from the nearby foothills and from Almaden Reservoir. Water recharges groundwater basins and is also provided directly to water treatment plants to be treated and distributed to county residents.Calero Dam
Calero Dam is an earthen dam high and long containing of material. Its crest is above sea level.
