Split Rock Dam is located on the Manilla River, the turnoff lying on Fossikers Way, 31Km from Barraba and 15Km from Manilla with a 9Km drive into the Dam.
Its purpose is to provide irrigation water to the Namoi Valley, to safeguard the river environment and to supply additional water for towns along the Namoi.
Current Capacity Information
All photographs on this page taken by R. J. Burling
|The picture at the top left shows the main wall, top right is a general view, bottom left shows the main spillway from below the dam whilst the remaining photograph is a view from the main wall looking downstream.|
(75% of Sydney Harbour)
|Maximum Water Depth||52 metres|
|Catchment Area||1,650 Sq Kilometres|
|Main Wall: Height||66 metres|
|Main wall: Volume of fill||1,071,000 cubic metres|
|Main wall: Length||469 metres|
|Spillway Discharge Capacity||720,000 megalitres/day|
|Outlet works maximum discharge capacity||5,790 megalitres/day|
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