The Logan River is part of the Logan catchment.WATER quality in the Logan catchment remains poor as the catchment struggles to cope with poor vegetation.
The catchment received a D in the 2015 Healthy Waterways Report Card on Thursday.
Healthy Waterways, which released the report using a new marking system,warned critical habitats were being impacted because of the catchment’s poor water quality.
There was also a warning fromHealthy Waterways Executive Science Advisory Committee chairman Professor Stuart Bunn that rapid population and industry growth would only increase pressure on the catchment.
“If we are to, at a minimum, maintain current waterway condition and benefits in the face of the region’s rapid population growth, we must ensure new developments comply with erosion and sediment control standards, best practice management is employed in agricultural land uses and degraded stream banks are stabilised,” he said.
Logan City Councilparks, health, environment and sustainability committee chairwoman Cr Trevina Schwarz said the community must unite behind improving the quality of the catchment.
Report released: Logan councillor Trevina Schwarz attends the launch of the Healthy Waterways Report Card. Photo: Healthy Waterways.
“Everyone has a role to play – from not throwing litter on the roads and in parks, to land management – in supporting river health for the future,” she said.
“90 per cent of Logan River frontage in the city is owned by private residents – if we are going to turn these results around we need our residents to come with us on the journey.”
The catchment also did not fare well inthe new Waterway Benefits Rating, receiving only a “moderate”rating which means it only gives the communityminimal social and economicbenefits.
Healthy WaterwaysPrincipal ScientistDr Paul Maxwell said benefits the community received through the Logan catchment were being hampered by the state of the catchment.
”These benefits are under increasing pressure through the removal of both theestuarine habitats and freshwater habitats as well as intensive land use which is generating a high level of pollution loads entering our waterways,” he said.
“Improving and maintaining riparian vegetation and estuarine habitats is crucial in these areas in order to improve and protect waterway condition and the benefits we receive.”
Oxley Creek at Greenbank fared better because it had fair to good vegetation.
“While estuarine water quality is poor and freshwater stream health is poor, the extent of riparian vegetation is fair to good, especially in the upper catchment, and the extent of estuarine habitat is also good,” saidHealthy Waterways CEO Julie McLellan.
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