Upper Brisbane River Catchment
 |  | | | Catchment Facts |
| - Total area: 5,493km2
- Stream network length: 11,368km
- Local Councils: Toowoomba Regional Council, Somerset Regional Council
- Dominant land uses: native bush, grazing, intensive agriculture, waterbodies
- The upper catchment is located in the foothills of the Great Dividing Range and the Conondale Range, remaining in a relatively natural state
- The majority of the remaining catchment has been cleared for grazing and rural residential use, with limited riparian vegetation present
- The upper Brisbane River is impounded by Wivenhoe Dam, which acts as an effective trap for sediment from the upper catchment
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| | | Freshwater results |
| | | | D+ | | Upper Brisbane Catchment |
| | | - Streams generally in fair condition.
- An increase in the fish indicator.
- Slight increases in physical/chemical, ecosystem processes and macroinvertebrate indicators.
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