Dillon Reservoir Dillon Reservoir Dillon Reservoir, sometimes referred to as Lake Dillon, is a large fresh water reservoir located in Summit County, Colorado, south of I-70 and bordered by the towns of Frisco, Silverthorne, and Dillon. It is a reservoir for the city of Denver, and its waters are under the control of Denver Water. Popular ski areas are close to the reservoir, including Copper Mountain, Keystone, Arapahoe Basin, and Breckenridge. In 1859, a large party of gold-seekers led by Ruben Spalding discovered gold near the headwaters of the Blue River, which prompted a population surge in Summit County, Colorado. By October
Dillon, South Carolina for a significant renovation of the courthouse and led to the creation of the City of Dillon Historical Overlay District in 2003. For decades earlier in the 20th century, Dillon's economy was based on profitable tobacco and cotton production and sales industries, which has slowly shrunken over the years as production and transport systems for these commodities have become more efficient and less centralized. Now, outside of service industry and state jobs, gainful employment is scarce in Dillon. Despite this, the city infrastructure is well-maintained. There is a large, modern hospital and medical complex—formerly Saint Eugene Hospital, now McLeod Medical