Boca Dam (National ID No. CA10135) is an earthfill dam and a part of the Truckee Storage Project that encompasses Nevada County, California and Washoe County, Nevada in the United States. Open year-round, it is located at the southern end of Boca Reservoir, 1 mi (2 km) north of Interstate 80, 0.3 mi (480 m) above the confluence of the Little Truckee River and the Truckee River, and 6 mi (9.7 km) northeast of Truckee, California.