Nepean Dam Dam Dam built in 1935 to complete the Upper Nepean catchment. The wall is 81 metres high with a dam capacity of 70,000 megalitres. Locate -34.335048963441, 150.61721986868 Milestone Constructed 1935 {"name":"Constructed","target":"","target_text":null,"date":{"#markup":"<span class='date'>1935<\/span>"},"date_start":"1935","date_end":"1935"} Type Dam {"name":"Dam","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}