Split Rock Dam

Split Rock Dam is a minor ungated concrete faced rock fill embankment dam with concrete chute spillway across the Manilla River upstream of Manilla in the north-western slopes region of New South Wales, Australia. The dam's purpose includes flood mitigation, irrigation, water supply and conservation. The impounded reservoir is called Split Rock Reservoir.Location and featuresCommenced in 1984, completed in 1987, and upgraded in 2012, the Split Rock Dam is a minor dam on the Manilla River, located approximately upstream, north of Manilla and north of Tamworth, accessed by a turnoff from Fossickers Way. The dam was built by Abignano Pty Limited on behalf of the New South Wales Department of Land and Water Conservation to supply water for irrigation, flood mitigation and potable water for towns in the Namoi Valley, including Manilla and Barraba. Together with Keepit Dam, Split Rock Dam supplies extensive irrigation water in the Namoi Valley. The dams also supply water for the town of Walgett and generates hydro-power for the national grid.