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In this section you will find detailed information, including national overviews and state and regional level assessments, from the 2000-2002 National Land and Water Resources Audit theme assessments.
Water resources - Overview - Queensland
Groundwater Management Unit: Nobby Basalts
Introduction
The Nobby Basalts Groundwater Management Unit (GMU) is situated in the King's Creek catchment of the Condamine Basin (4223), west of the Great Dividing Range. Nobby is a south-east Queensland township located between Toowoomba and Warwick and in the centre of the Nobby Basalts GMU. The GMU extends approximately 495 sq km and includes part of the Shires of Clifton and Cambooya. Management of the groundwater resource of the GMU has a particular emphasis on the Nobby Restricted Licensing Area (RLA) which falls within the GMU boundary.
The major drainage of the GMU is King's Creek, a tributary of the Upper Condamine River. The alluvium associated with King's Creek is also a major aquifer system of the area. This alluvial aquifer is defined by its own GMU boundary, the King's Creek Alluvium Groundwater Management Unit.
Groundwater extracted from the Nobby Basalt aquifers is of good quality and is used predominantly for the irrigation of grain and fodder crops. Other uses include stock intensive purposes, stock and domestic purposes as well as the supply of town water to Nobby. The GMU consists of two basaltic aquifers. Bores tapping into the upper basalt aquifer have bore yields averaging 12.6 l/s. Those tapping into the lower basalt aquifer yield approximately 19 l/s.
The Nobby Basalts GMU experiences a temperate climate with an average annual rainfall of 730 mm. Approximately 67% of rainfall occurs between October and February, inclusive.
Vital Statistics:
| Area: | 495 Km2 |
|---|---|
| Total water allocated: | no data |
| Total water consumed: | 4,496 ML/yr |
| Average salinity: | 1,039 mg/l |
| Sustainable yield: | 2,400 ML/yr |
| Depth to top of aquifier: | 30 m |
Further Information
- The following groundwater management units also occur in Clarence-Morton Province
- Alstonville Basalt (NSW)
- Central Lockyer Valley (QLD)
- Condamine - Condamine Groundwater Management Area Sub-Area 4 (QLD)
- Condamine River Alluvium (Cunningham to Ellangowan) (QLD)
- Condamine River Alluvium (Killarney to Murrays Bridge) (QLD)
- Condamine River Alluvium (Murrays Bridge to Cunningham) (QLD)
- Dalrymple Creek Alluvium (QLD)
- Flagstone Creek (QLD)
- Glengallan Creek (QLD)
- Kings Creek Alluvium (QLD)
- Laidley Creek (Upper Reach) (QLD)
- Lockyer - Helidon (QLD)
- Logan / Albert Rivers (QLD)
- Lower Lockyer Creek (QLD)
- Lower Oakey Creek Alluvium (QLD)
- Ma Ma Creek (QLD)
- Myall / Moola Creek North (QLD)
- Myall Creek (QLD)
- North Coast Fractured Rocks (NSW)
- Oakey Creek Management Area (QLD)
- Richmond Coastal Sands (NSW)
- Richmond River Alluvium (NSW)
- Sandy Creek (QLD)
- Swan Creek Alluvium (QLD)
- Tenthill Creek (QLD)
- Toowoomba City Basalt (QLD)
- Unincorporated Area - Clarence Moreton (QLD)
- Unincorporated Area - Clarence-Morton Basin (NSW)
- Upper Hodgson Creek (QLD)
- Upper Lockyer Creek (QLD)
- View the Queensland Water Resources Assessment 2000 Report
- View the Queensland Water Resources Assessment 2000 Technical Report
- For more information about water and other natural resource issues link to www.nrm.qld.gov.au.
- Link to data available for download on the Groundwater management units and provinces - ARC/INFO export
- Link to the Map Maker to make a map using this information.
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