Redlands Creek Catchment, Tingalpa Estuary and Eprapah Creek Estuary
|  |  |  |  | Catchment Facts |
|  | - Total area: 281km2
- Stream network length: 525km
- Local Councils: Brisbane City Council, Logan City Council, Redland City Council
- Dominant land uses: urban, native bush, intensive agriculture, market gardens, grazing
- Tingalpa Reservoir impounds Tingalpa Creek
- Four WWTPs discharge into the Redlands/Waterloo Bay catchment
- Rapid urbanisation of the catchment over recent years has led to the conversion of market gardens/agricultural land to residential areas and construction of canal estates
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|  |  | Freshwater results |
|  |  | | F |  | Redlands Catchment |
|  |  | - Streams in poor condition.
- Substantial improvement in the Physical/Chemical indicator, slight improvements in the Aquatic Macroinvertebrates and Fish indicators throughout the year.
- Decline in Nutrient Cycling.
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|  |  | Estuarine results |
|  |  | | C |  | Tingalpa Estuary |
|  |  | - Grade is a stable C, despite an increase in turbidity levels, which were higher at all but the uppermost sites.
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 |  | | C |  | Eprapah Estuary |
|  |  | - Increase in phytoplankton abundance.
- Decline in dissolved oxygen concentrations.
- Increase in nitrogen concentrations and continued high phosphorus concentrations.
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