New South Wales Consolidated Regulations

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WATER SHARING PLAN FOR THE LOWER MACQUARIE GROUNDWATER SOURCES 2003 - SCHEDULE 1

SCHEDULE 1 – Dictionary

The following definitions apply to this Plan in addition to the definitions set out in the Act:
"abandoned" (work) refers to a water supply work (bore) that is no longer being used.
"aquifer compaction" refers to the reduction in the porosity (pore spaces) of an aquifer, and may result from over pumping the aquifer.
"available water" in relation to a water management area or water source, is the water that is available in that area or water source in accordance with an available water determination that is in force in respect of that area or water source.
"available water determination" is a written Order by the Minister as to the availability of water for the various categories of access licence in relation to a specified water management area or water source.

Note: An available water determination gives rise to a water allocation that is credited to a water allocation account for each licensed holder.
"bedrock" is the solid rock underlying unconsolidated sediments such as the soil and weathered rock. Bedrock is a general term for solid rock that lies beneath soil, loose sediments, or other unconsolidated material.
"drawdown" refers to a lowering of the level to which water will rise in cased bores. Natural drawdown may occur due to seasonal climatic changes. Groundwater pumping may also result in seasonal and long-term drawdown.
"extraction limit" is that proportion of the long term average annual recharge and storage which can be extracted each year without causing adverse impact on the environment or groundwater users, including landholders exercising basic rights.
"Great Artesian Basin" is a ‘confined’ groundwater basin comprised of a complex multi-layered system of water bearing strata (porous sandstone aquifers) separated by largely impervious rock units, underlying largely arid and semi-arid landscapes to the west of the Great Dividing Range, and extending from Queensland through New South Wales and the Northern Territory, to South Australia.
"groundwater" is water that occurs beneath the ground surface in the saturated zone.
"groundwater dependent ecosystems" are ecosystems which have their species composition and natural ecological processes wholly or partially determined by groundwater.
"groundwater" is water that occurs beneath the ground surface in the saturated zone.
"long term average storage component" is the volume of water in the aquifer less the combined average annual recharge and requirements for basic landholder rights at the commencement of this plan, and exceeds the requirements and supplementary water access provided for in this Plan.
"monitoring bore" refers to a bore constructed for the purpose of measuring water levels and/or taking samples for water quality analysis.
"recharge" is the addition of water, usually by infiltration, to an aquifer.
"sandstone" is sedimentary rock formed by the consolidation of sand grains, the sand component is often predominantly quartz and cemented by a fine grained matrix.
"share component" is the share component of an access licence.
"unconsolidated alluvial aquifers" are formed from sediments deposited by the action of flowing water in particular along river beds and floodplains, but not including lakes and seas.
"water year" is a 12 month period from 1 July to 30 June.


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