Waterville is a city in Kennebec County of the U.S. state of Maine, United States, on the west bank of the Kennebec River. Home to Colby College and Thomas College, the population was 15,722 at the 2010 census. Waterville is also the latter of the cities which make up the Augusta-Waterville, ME Micropolitan Statistical Area.Waterville has a Mayor and council-manager form of government, led by a mayor and a seven-member city council. The city council is the governing board, and the city manager is the chief administrative officer of the City, responsible for the management of all City affairs. The city is also home to Fox affiliate WPFO and Daystar rebroadcaster WFYW-LP both serving the Portland market and to several radio stations including Colby's WMHB, country WEBB, adult standards WTVL and MPBN on 91.3 FM. The film Wet Hot American Summer is set in Waterville.