Name: Gwydir Valley Floodplain Boundary 2016

Display Field: FMP_Commencement

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Description: The Gwydir FMP boundary was initially based on the Lower Gwydir designated floodplain (designated under the Water Act 1912 on the 18th October 1984). The boundary was refined to consider water sharing plans, floodplain harvesting works and aligned to topographical features where applicable for ease of administration and clarity for water users.The Gwydir Valley FMP commenced on the 12 August 2016.Detailed description of how the boundary was developed:Principles for Developing VWFMPThe current designated floodplain (WA 1912) was the starting point for the development of a newVWFMP boundary, to ensure consistency with current management that includes areas of existingand potential new floodplain development in the Gwydir. In order to achieve the purpose andobjectives for this Plan as listed above, the designated floodplain was varied according to theprinciples detailed below.Existing designated Gwydir floodplain: Existing designated floodplain areaused to determine the area of the valleyin which Part 8 of the Water Act 1912currently applies.Basis for capturing existing and potential floodplaindevelopments within the Gwydir Valley.Hydrological Effect: The boundary will include additionalflood control works that are outside theexisting designated floodplain area.To meet the objectives of the plan and to assistcoordination of all flood control workdevelopment on the floodplain.Ease of administration.Cadastral Relevance: Where appropriate the boundary willalign with significant cadastral features.Ease of administration.Provides clarity for water users.Planning Legacy: Unregulated WSPs: Where appropriate the boundary willalign with relevant unregulated watersource boundaries.Consistency with other boundaries for watermanagement plans under the WMA 2000.Ease of administration.Clarity for water users.Planning Legacy: Regulated WSPs: Where appropriate the boundary willalign with relevant floodplain harvestingboundaries contained in regulatedWSPs of the Barwon-Darling.The location of flood works used to capturewater for floodplain harvesting is includedwithin the boundary of the valley in which thepoint of take has been accounted, or;the point of take is located within the valley inwhich the associated floodplain harvesting hasbeen accounted.Floodplain Harvesting:Boundary will be aligned to includeareas identified through the FloodplainHarvesting Project’ register of interestprocess and potential floodplainharvesting structures. To ensure consistency with the FloodplainHarvesting (FPH) Policy. The FPH Policy onlyapplies to floodplain harvesting activities onproperties where all or part of that property lieswithin the designated floodplain.

Service Item Id: 0194ed388fe541c08218c7197e17b73b

Copyright Text: OEH Healthy Floodplains Unit in conjuction with DPI, Water.

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