New South Wales Consolidated Regulations

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WATER SHARING PLAN FOR THE GWYDIR REGULATED RIVER WATER SOURCE 2002 - SCHEDULE 2

SCHEDULE 2 – Contribution to relevant targets in the December 2002 State Water Management Outcomes Plan

FULL contributes to target in full
HIGH while not fully contributing to target, there is a good level of contribution
PARTIAL goes some way to contributing to the target
LOW only small degree of contribution to target

Relevant Target Level of Contribution Comments
Extractions in Murray Darling Basin’s regulated rivers limited to the level of the long-term average annual extraction below the Murray Darling Basin Ministerial Council (MDBMC) Cap which results from the long-term impact of the environmental water rules FULL • This Plan clearly sets out the basis for the long-term extraction limit in Part 8.
Rules for adjustments to future available water determinations in the event that the extraction limits are exceeded, clearly prescribed in consultation with the relevant management committee, and acted upon. FULL • Rules set out in Part 8.
All water management plans incorporating mechanisms to protect and restore aquatic habitats, and the diversity and abundance of native animals and plants, with particular reference to threatened species, populations and communities and key threatening processes. PARTIAL • Environmental flow rules significantly improve inflows into the wetlands compared to Cap.• This Plan provides a 45,000 ML Environmental Contingency Allowance.• 4 species (River Snail, Silver Perch, Purple spotted gudgeon, Olive perchlet) occurring in Gwydir have been listed as threatened. This Plan should assist in the protection/recovery of these species.• 16 wetland and floodplain dependent birds listed as threatened occur in the Gwydir. 14 bird species protected under JAMBA and CAMBA also occur. NPWS have indicated that they consider the environmental flow rules provide only the minimum necessary to protect these species.
Where the frequency of “end of system” daily flows would be less than 60 percent of the predevelopment level without environmental water rules or extraction limits, the flows increased to 60 percent of predevelopment levels or increased by at least 10 percent of the predevelopment frequency. FULL • This Plan meets the target for wetland inflows as follows: 50 th percentile flows are 100% of predevelopment under Plan, 30 th percentile flows are 97% of predevelopment under this Plan, 10 th percentile flows are improved by more than 10% (ie increased from 15% of predevelopment under the Cap to 40% under this Plan).
Frequency of “end of system” daily very low flows (as defined by local field investigation) protected or restored to predevelopment levels to maintain or restore their critical ecological functions, drought refuges and habitat connectivity. In the absence of such local assessments, protection extended up to at least the predevelopment 95 th percentile. FULL • This Plan maintains the predevelopment 95 th percentile flow frequency for the wetland inflows.
The channel capacity of all lower river and effluent creek systems used for the delivery of regulated water determined. Subject to reasonable socio-economic impacts, limits on daily supply volumes established for effluent systems such that they do not exceed 80 percent of the channel capacity for more than 10 percent of days in each month of each year. Where daily supply volumes are currently substantially less than channel capacity, alternative limits established to reduce the impact of unseasonal flows arising from future access licence dealings. PARTIAL • This Plan provides for the determination of maximum operating channel capacities.• This Plan provides for the distribution of numerical extraction rights that could be used to facilitate management to desired capacity targets.• This Plan notes a number of maximum channel capacity constraints for the Gwydir River, Mehi River, Moomin Creek and Carole Creek which are to apply at the commencement of the Plan.
Access rights for water access licensees clearly and legally specified in terms of share and extraction components. FULL • Access for existing regulated access licences and supplementary water access licences are specified and tradeable.
Flow thresholds for declaration of supplementary water access, which take into account environmental needs, clearly specified. HIGH • This Plan specifies that inflows up to 500 ML/day from 3 of this water source’s major tributaries goes through to the wetlands.• There has been no consideration of thresholds for within river purposes or effluent streams.
Annual limits on supplementary water extractions, consistent with the long-term average annual extraction limits, established in all regulated river water sources. FULL • This Plan sets the maximum available water determination for supplementary access licences at the full entitlement of 170,000 megalitres.
Rules for sharing between supplementary water licence holders made explicit. PARTIAL • This Plan does not clearly specify any sharing rules however, it does provide for “evenly sharing” access between supplementary water access licences.
Supplementary access licence dealings made possible in regulated river water sources, subject to extraction limits and environmental assessment and Aboriginal spiritual and cultural constraints. FULL • Trading of supplementary access water is permitted.
Measures in place in all water sources subject to a gazetted water sharing plan to protect domestic and stock rights from the impact of other water access and use. FULL • Obligations are set out in Part 5.
Water sources, ecosystems and sites of cultural or traditional importance to Aboriginal people identified, plans of management prepared, and measures put in place to protect and improve them. PARTIAL • This Plan does not specifically address Aboriginal cultural or traditional requirements and has not identified any sites of particular importance.• However, the significant improvement in environmental flows achieved under this Plan should contribute to protecting or improving Aboriginal values.
All share components of access licences tradeable. FULL • All entitlements (including supplementary water) will be tradeable under this Plan.
Conversion factors and protocols established to facilitate trading and dealings between water sources, whilst also protecting existing access and environmental water. FULL • Transfers between water sources are in line with Government policy and the Minister’s Access Licence Dealing Principles.
Reduced conversion factors only applied when necessary to offset increased losses associated with water supply delivery FULL • This Plan does not impose reduction factors.
Zones established where necessary for environmental protection and limits/constraints on water dealings in them made explicit. PARTIAL • There is some delineation of transfer zones and application of transfer restrictions pending numerical specification of extraction rights.
All water management plans incorporating water quality objectives that have considered Government approved Interim Environmental Objectives, the current ANZECC Guidelines and the recommendations of relevant Healthy Rivers Commission Inquiries. HIGH • This Plan includes a water quality objective and a 45,000 megalitre ECA.



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