Municipality of Castlereagh Local government Council formed in 1895 after a petition by local residents. It was amalgamated with Mulgoa, St. Marys and Penrith Shires to form the Municipality of Penrith in 1949. Type Local government {"name":"Local government","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}