Bremer River Catchment and Estuary
|  | | | Catchment Facts |
| - Total area: 2,031km2
- Stream network length: 4,425km
- Local Councils: Ipswich City Council, Scenic Rim Council
- Dominant land uses: grazing, native bush, intensive agriculture, urban
- Lower catchment mostly urbanised, rest of the catchment rural, with the majority of the catchment cleared for cattle grazing
- Some areas of natural bush remaining in upper catchment
- Widespread channel and gully erosion in the river and its tributaries
- Riparian vegetation significantly modified; little native vegetation remaining
- Four WWTPs and other point sources discharging into the catchment’s waterways, contributing to sediment and nutrient loads
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| | | Freshwater results |
| | | | D- | | Bremer Catchment |
| | | - Streams generally in poor condition.
- Slight decline in the Physical/Chemical indicator.
- Substantial improvement in Ecosystem Processes in both seasons.
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| | | Estuarine results |
| | | | F | | Bremer Estuary |
| | | - Lower phytoplankton abundance throughout estuary.
- Significant decline in dissolved oxygen concentrations.
- Increases in turbidity levels, particularly in lower reaches of the estuary.
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