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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: Glengallan Creek
Introduction
Glengallan Creek is a tributary of the Upper Condamine River System and is located along the eastern margin of the Condamine Basin (4223), west of the Great Dividing Range. The Glengallan Creek Groundwater Management Unit (GMU) is located within the Warwick Shire and includes all or part of the Parishes of Gladfield, Glengallan, Leslie and North Toolburra. It covers an area of approximately 167 sq km. The town of Warwick is to the south of the GMU and the township of Allora is to the north. Glengallan Creek is the principal drainage system and its major tributary streams include the North Branch of Glengallan Creek and Freestone Creek.
The Glengallan Creek GMU is one of the oldest developed groundwater systems on the Southern Darling Downs. There are high concentrations of bores in the GMU. Bore yields can be up to 30 L/s but are more generally around 12 L/s. The majority of these bores extract groundwater from the alluvial aquifers to be used for the irrigation of grain and fodder crops, small crops and to provide stockwater to the dairies. Groundwater is of good quality and is suitable for all purposes excluding drinking water.
Water levels have been declining over the past 20 years. In 1991 restrictions were placed on the issue of new allocations or increased groundwater allocations of existing ones as part of a management plan for the sustainability of the resource.
The Glengallan Creek GMU experiences a subtropical climate with an average annual rainfall of 700mm. Approximately 67% of rainfall occurs between the months of October and March, inclusive.
Vital Statistics:
| Area: | 167 Km2 |
|---|---|
| Total water allocated: | no data |
| Total water consumed: | 8,295 ML/yr |
| Average salinity: | 629 mg/l |
| Sustainable yield: | 4,330 ML/yr |
| Depth to top of aquifier: | 11 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)
- 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)
- Nobby Basalts (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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