864-647-3215. If you are on the lower part of Lake Keowee and/or often visit Westminster they is the Library for you! The Oconee County Public Library was first established in May of 1948. The first library opened in October of that year in the old courthouse annex in Walhalla, SC. A bookmobile was also purchased and began operation in that same year. Between 1950 and 1953, branch libraries were established in Westminster (1950), Salem (1952) and Seneca (1953). In 1968, the Seneca Library was the first to have a building constructed specifically for library purposes. It was dedicated in October, 1968. Other new, purpose-built facilities were erected in Walhalla (dedicated October, 1979) and Westminster (dedicated September, 1979). The Salem Library, dedicated in May, 1981 shares space with the Town Hall. The Seneca Library, built in part with funding from the City of Seneca, became part of the county system in 1983, as well as undergoing an expansion at that time.Click here to go to the Oconee County Public Library Page