The Stormwater Nodes dataset has been derived by updating the 2005 dataset with data obtained from Local Government Councils. Not all council areas have been updated since 2005. Councils updates in the 2009 dataset: Burnside, Charles Sturt, Gawler, Holdfast Bay, Mitcham, Mt Barker, Norwood Payneham & St Peters, Playford, Port Adelaide Enfield, Salisbury, Tea Tree Gully, West Torrens.