 |  | | |  | Catchment Facts |
| - Total area: 258km2
- Stream network length: 522km
- Local Councils: Brisbane City Council, Logan City Council, Scenic Rim Council
- Dominant land uses: urban, native bush, grazing, rural residential
- Highly modified, urbanised catchment
- Some grazing lands and natural bush/forested areas remain in the upper parts of the catchment
- Riparian vegetation has been cleared from most waterways
- Large volume of stormwater runoff into the waterways during/after storm events
- Population growth is a major pressure on the catchment.
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| | | Freshwater results |
| | | F | | Oxley Catchment
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| | | - Streams generally failed to meet ecosystem health guidelines.
- Decrease in physical/chemical indicator.
- Increases in nutrient cycling, ecosystem processes, macroinvertebrates and fish indicators.
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| | | | Estuarine results |
| | | F | | Oxley Estuary |
| | | - Poor water quality with continued high nutrients, high turbidity and low dissolved oxygen concentration.
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