Waterford, town (1990 pop. 17,930), New London co., SE Conn., on Long Island Sound; settled c.1653, inc. as a separate town from New London, 1801. Mainly residential, it has a recording and film studio, a major retail center, and light industry; commercial and sport fishing are also of economic importance. The Millstone Point Nuclear Power Station, completed in 1969, serves Waterford's electric needs as well as a larger New England area. An annual conference for playwrights and a summer music festival are held in the town.