The Nindooinbah Dam is a decommissioned earth-fill embankment dam with an un-gated spillway located off-stream in Beaudesert in the South East region of Queensland, Australia. The dam was completed in 1951 and the resultant reservoir is called Lake Nindooinbah. It was used for potable water supply until 1 March 2014 when it was decommissioned, and it has been used for recreational purposes since 2014.
Located near the town of in the Scenic Rim region, the Nindooinbah Dam was completed in 1951 and decommissioned following a dam safety review in 2012âÂÂ13 by the dam operator, SEQ Water. The review identified that soil erosion in the embankment at Nindooinbah was possible; and that the dam did not meet the required standards set by regulators. To reduce risk, the dam wall was lowered by , reducing the capacity of the small reservoir by approximately twenty percent, from a maximum of to its new full capacity level of that took effect on 1 March 2014. The reservoir draws from a catchment area of . The reservoir ceased being used to supply water in 2014 and does not form part of the SEQ Water Grid.
Non-powered boating is permitted on the dam and public access is available to the dam wall embankment area. Passive recreational activities are permitted.