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Regional Water Resource Assessment – SWMA |
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Lachlan River - Unregulated |
Lachlan River - Unregulated Surface Water Management Area is within New South Wales and is 59,891 km2
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The estimate of regional water consumption as prepared by the Australian Bureau of Statistics (ABS) includes water use within the Lachlan River - Regulated, and Lachlan River - Unregulated Surface Water Management Areas
Estimated water consumption is 219,231 ML
Agriculture comprises approximately 85% of total water consumption; Other comprises approximately 7% of total water consumption; Household comprises approximately 4% of total water consumption; Mining and Manufacturing comprise the remainder.
PLEASE NOTE: Regional estimates were derived using survey data designed to produce state- and territory-level estimates, and incorporated data from a range of other sources. The degree of confidence that can be attached to individual regional estimates is variable. In general, the estimates should be used with a moderate degree of confidence. For further details see ABS Publication 4610.0.055.002
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The categories used for the breakdown of water consumption are as per Table 2.9
of the Water Account 2004-05. "Other" in respect of the estimated water consumption
comprises water use within the following industries:
- Water supply, sewerage and drainage services
- Electricity and gas
- Forestry and fishing
- Services to Agriculture
- "Other industries"
Results of the National Water Commission’s Framework for Assessment of River and
Wetland Health for
Lachlan River - Unregulated
SWMA
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This page provides high level performance indicators of water management for the
Lachlan River - Unregulated
surface water management area (SWMA) based on information provided by the government
of
New South Wales.
It provides answers to a range of questions of relevance to the National Water Initiative
(NWI), specifically in relation to:
Please note that a dash means that either the data was not
available, not provided or that the question was not relevant for a particular area.
Surface water management framework
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What is the status of the water management plan for this surface water management
area?
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In progress |
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If a final or draft plan has been written, what year was it completed?
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- |
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If a final or draft plan has been written, does it consider groundwater explicitly? |
- |
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If yes, how is groundwater considered? |
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Technical assessment |
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Management decisions |
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What percentage of the surface water management area is covered by the water management
plan(s)? |
- |
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Does your water plan specify water quality objectives to meet environmental and
other public benefit outcomes? |
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Other items included in the management framework are: |
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Metering program for this area |
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Effluent recycling |
- |
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Climate change |
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Aquifer storage and recovery |
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Household rainwater tanks |
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Efficient irrigation systems |
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Other |
- |
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Management plan available at: |
Management plan |
Water resource caps
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Has a cap been placed on surface water usage / abstraction in this surface water
management area? |
Yes |
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Is the cap an absolute limit to allocation or provisional limit? |
Absolute |
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If there is a cap, what year was it implemented? |
1997 |
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If there is a cap, is it considered to represent the sustainable surface water yield? |
Yes |
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The following water usage types are included/not included under the cap: |
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Irrigation |
Included |
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Urban supply |
Included |
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Commercial / Industrial |
Included |
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Minor catchment storages |
Included |
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Minor on-stream storages |
Included |
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Minor extracted water storages |
Included |
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Stock and domestic |
Included |
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Mining / Oil and gas |
Included |
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Forestry |
Not included |
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Floodplain harvesting |
Included |
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Drought supply |
Included |
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Greywater use |
Not included |
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Effluent recycling |
Not included |
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Aquifer storage and recovery |
Included |
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Does auditing of compliance with the cap occur? |
No |
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Compliance report available at:
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Surface water / groundwater interaction
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Are surface water and groundwater managed as an integrated water resource in this
surface water management area? |
No |
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Reason or method: |
Integration in progress |
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Integrated management plan available at:
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Surface water sustainable yield
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The sustainable yield within this surface water management area for 2004/05 was: |
15342 ML |
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The method used to determine the sustainable yield was: |
Estimate of Cap Usage based on Crop Statistics and crop application rate. |
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Was the sustainable yield determined for the combined (i.e. surface water and groundwater)
water? |
No |
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Is the cap considered to be at or below the sustainable yield of surface water? |
At |
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What is the level of entitlements relative to the sustainable yield? |
Moderate level of development |
Environmental water requirements
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Have environmental water requirements been determined for this surface water management
area? |
Yes - partial coverage of water management area |
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If yes, what year were they completed?
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2004 |
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For regulated areas, how much of the mean annual flow is not available for allocation
and provided for the environment? (percentage of mean annual flow at locality of
river regulation) |
- |
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Are there formal environmental water provisions for regulated rivers? |
- |
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If so, what method was used to determine environmental water provisions for regulated
rivers? |
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For what percentage of the rivers are provisions made? |
3% |
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Maps illustrating which rivers have provisions available at: |
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Do the environmental water provisions consider groundwater?
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No |
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If yes, how? |
- |
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Completed Environmental Flows Reports available at: |
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Surface water diversions
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The total surface water diversion in the surface water management area for 2004/05
was: |
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What percentage of surface water diversion is determined from metered data? |
0 % |
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What is the level of diversions relative to the sustainable yield? |
Unknown volumes or no data provided |
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For surface water diversion that is NOT metered, how was the surface water diversion
determined for 2004/05? |
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Estimated from irrigated areas |
Yes |
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Estimated from licence volume |
No |
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Estimated from power usage for pumps |
No |
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Estimated from models |
No |
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Other |
No |
Surface water entitlements
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Entitlements for surface water are required/not required for the following usage
types:
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Irrigation |
Required |
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Urban supply |
Required |
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Commercial / Industrial |
Required |
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Minor catchment storages |
Required |
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Minor on-stream storages |
Required |
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Minor extracted water storages |
Required |
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Stock and domestic |
Required |
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Mining / Oil and gas |
Required |
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Forestry |
Required |
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Floodplain harvesting |
Not required |
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Drought supply |
Required |
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Greywater use |
Not required |
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Effluent recycling |
Not required |
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Aquifer storage and recovery |
Required |
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Other |
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Protected terrestrial areas
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Each of the following protection types cover a percentage of the surface water management
area as detailed:
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Habitat/species management area |
0.00 |
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Managed resource protected areas |
- |
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National park |
1.20 |
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Natural monument |
- |
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Protected landscape/seascape |
- |
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Strict nature reserve |
3.43 |
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Wilderness area |
- |
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Total |
4.63 |
Related links
The links below provide access to similar data reports for groundwater management
units (GMUs) that overlap this surface water management area (SWMA).
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