Established in 1978, Natural Design Swimming Holes is a construction company which designs and builds residential swimming pools. Located in Auburn, Calif., the company designs swimming pools with sculpted stone and swimming hole concept that are constructed with structural concrete. Its team of designers and sculptors offer rock swimming pools with waterfalls, shallow beaches and stream beds. The company has won the 2009 Best of Auburn Award in the Swimming Pools category by the U.S. Commerce Association (USCA).