Layer containing water supply system catchment boundaries for water harvesting in the region of Melbourne. Includes catchment name, type, size of catchment and asset identifier. The type are defined by CATCHO (Open), CATCHC (Closed), and CATCH (Restricted). This layer is intended for general mapping purposes and internal use only, and is not to be used for detailed mapping of, or detailed calculation related to, water supply catchments.This layer is updated when new information is received from completed projects and/or updated from certified survey plans. Melbourne Water are responsible for reviewing and accepting information which results in update to the existing layer. Dataset also includes additional catchments captured originally e.g. Graceburn and Donnellys Weir.NOTE: Whilst every effort has been taken in collecting, validating and providing the attached data, Melbourne Water Corporation makes no representations or guarantees as to the accuracy or completeness of this data. Any person or group that uses this data does so at its own risk and should make their own assessment and investigations as to the suitability and/or application of the data. Melbourne Water Corporation shall not be liable in any way to any person or group for loss of any kind including damages, costs, interest, loss of profits or special loss or damage, arising from any use, error, inaccuracy, incompleteness or other defect in this data.