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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: Myall Creek
Introduction
Myall 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 Myall Creek Groundwater Management Unit (GMU) includes parts of the Shires of Wambo and Rosalie. It extends over an area of approximately 210 sq km. The town of Maclagan is located in the east of the GMU with the town of Toowoomba to the south- east of the GMU boundary. The Myall Creek GMU is drained in a south-westerly direction by the Myall Creek and its tributary streams into the Upper Condamine River.
The GMU consists of multiple aquifers of varying groundwater quality. Groundwater extracted from the aquifers is used predominantly for the irrigation of grains, oilseeds, cotton, lucerne, fodder and some vegetables. Other uses include industrial, stock and domestic purposes. Cultivation of land for agriculture within this GMU is widespread.
Groundwater quality is highly variable throughout the GMU. Groundwater is generally suitable for domestic puposes and the irrigation of medium to high salt tolerent crops.
The Myall Creek GMU experiences a temperate climate with an average 630 mm of rain a year. Approximately 50% of rainfall occurs between November and February, inclusive.
Vital Statistics:
| Area: | 210 Km2 |
|---|---|
| Total water allocated: | no data |
| Total water consumed: | 1,000 ML/yr |
| Average salinity: | 1,954 mg/l |
| Sustainable yield: | 5,300 ML/yr |
| Depth to top of aquifier: | 16 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)
- 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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