Lake Burrendong is a large reservoir with capacity of 1,190,000 megalitres ( 42,000 × 10 ^ 6 cu ft ) located near Wellington which impounds the waters of the Macquarie River and its tributaries the Cudgegong River and the Turon River for flood control and irrigation .
The Macquarie Marshes then drain into the lower Barwon River and then into the Darling River Burrendong Dam is a large dam ( capacity 1,190,000 Megalitres ) near Wellington which holds the waters of the Macquarie River and its tributaries the Cudgegong River and the Turon River to stop floods and provide water for irrigation .