Terrys Creek Waterways Maintenance & Rehabilitation Masterplan
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Terry’s Creek Catchment Waterways Maintenance And Rehabilitation Master Plan WATERWAYS MAINTENANCE AND REHABILITATION MASTERPLAN FOR THE TERRY’S CREEK CATCHMENT Prepared for Parramatta City Council By Applied Ecology Pty Ltd 04/04/2013 i Terry’s Creek Catchment Waterways Maintenance And Rehabilitation Master Plan Applied Ecology Pty Limited reserves all legal rights and remedies in relation to any infringement of its rights in respect of its confidential information. DOCUMENT VERIFICATION Project Title TERRY’S CREEK CATCHMENT WATERWAYS MAINTENANCE AND REHABILITATION MASTER PLAN Document Title WATERWAYS MAINTENANCE AND REHABILITATION MASTER PLAN FOR THE TERRY’S CREEK CATCHMENT Client Parramatta City Council Client contact Pino Todarello Revision Prepared by Reviewed by Date Draft (D) MB/AC/JS P. Todarello, A. Collins, T. April 2013 Holbrook, S. Williams For public MB/AC May 2013 exhibition DISCLAIMER This report is prepared by APPLIED ECOLOGY Pty Limited for its clients' purposes only. The contents of this report are provided expressly for the named client for its own use. No responsibility is accepted for the use of or reliance upon this report in whole or in part by any third party. This report is prepared with information supplied by the client and possibly other stakeholders. While care is taken to ensure the veracity of information sources, no responsibility is accepted for information that is withheld, incorrect or that is inaccurate. This report has been compiled at the level of detail specified in the report and no responsibility is accepted for interpretations made at more detailed levels than so indicated. ACKNOWLEDGMENTS APPLIED ECOLOGY Pty Limited wishes to thank all representing organisations and individuals who assisted with fieldwork and contributed to the production or commented on the content of this report, including: Pino Todarello Parramatta City Council Anthony Collins Parramatta City Council Sally Williams Parramatta City Council Troy Holbrook Parramatta City Council ii Terry’s Creek Catchment Waterways Maintenance And Rehabilitation Master Plan Contents 1 A VISION FOR THE CATCHMENT ............................................................................................ 1 1.1 CONSULTATION FRAMEWORK ................................................................................................ 1 1.2 DEFINING THE VISION ............................................................................................................. 1 1.3 THE VISION FOR TERRY’S CREEK ............................................................................................. 2 2 PURPOSE OF A MASTERPLAN ................................................................................................ 2 2.1 GENERAL PURPOSES ............................................................................................................... 2 2.2 THE NEED FOR THE TERRY’S CREEK CATCHMENT MASTERPLAN ............................................ 3 3 CATCHMENT OVERVIEW ....................................................................................................... 3 3.1 LAND USE AND ZONING .......................................................................................................... 4 3.2 WHAT IS COMMUNITY LAND? ................................................................................................ 6 3.3 LEGISLATIVE AND POLICY FRAMEWORK ................................................................................. 7 4 REVIEW OF LITERATURE: EXISTING PLANS ............................................................................. 8 4.1 Terry’s Creek Catchment Management Study (Bewsher Consulting, 1991)........................... 8 4.2 Lane Cove Catchment Stormwater Management Plan (Egis Consulting, 1999) ..................... 9 4.3 PCC Biodiversity Plan (PCC, 2003) ......................................................................................... 11 4.4 PCC Open Space Plan (PCC, 2003) ......................................................................................... 12 4.5 Lane Cove River Estuary Management Plan (Patterson Britton, 2004) ................................ 13 4.6 Terry's Creek sub-catchment management plan: summary and final report (Cardno & Willing, 2005) .................................................................................................................................... 13 4.7 PCC Sport and Recreation Plan (Stratcorp, 2005) ................................................................. 14 4.8 PCC Natural Areas Plan of Management (PCC, 2006) ........................................................... 15 4.9 Eastwood & Terry’s Creek Floodplain Risk Management Study & Plan (Bewsher Consulting, 2009) .............................................................................................................................................. 15 4.10 Bushcare Case Study: About our Terry’s Creek Bushcare sites (Hornsby Shire Council, 2010) .............................................................................................................................................. 17 5 REVIEW OF STUDY AREA: CATCHMENT CHARACTERISTICS AND CONDITIONS ....................... 18 5.1 Geology and soils .................................................................................................................. 18 5.1.1 Soil Landscapes ............................................................................................................. 18 5.1.2 Acid Sulphate Soils ........................................................................................................ 18 5.2 Flora, fauna and vegetation communities ............................................................................ 20 5.2.1 Fauna ............................................................................................................................. 20 5.2.2 Threatened Fauna ......................................................................................................... 20 5.2.3 Threatened Flora ........................................................................................................... 22 iii Terry’s Creek Catchment Waterways Maintenance And Rehabilitation Master Plan 5.2.4 Vegetation communities ............................................................................................... 23 5.2.5 Endangered Ecological Communities ............................................................................ 24 5.3 CATCHMENT RUNOFF AND WATER QUALITY ....................................................................... 26 5.3.1 Hydrology ...................................................................................................................... 26 5.3.2 Water quality ................................................................................................................ 27 5.3.3 Water Quality: Microbiology ......................................................................................... 30 5.3.4 Water Quality: Nutrients ............................................................................................... 32 5.3.5 Water Quality: Suspended Sediments .......................................................................... 35 5.3.6 Sediment Quality: Metals ............................................................................................. 37 5.3.7 Water Quality Modelling ............................................................................................... 38 5.4 STREAM AND CHANNEL MORPHOLOGY, FLOODING AND CLIMATE CHANGE ..................... 38 5.4.1 Geomorphic Features and Stream Behaviour ............................................................... 38 5.4.2 Changes in the catchment since European settlement ................................................ 42 5.4.3 Terry’s Creek Rehabilitation, Maintenance and Restoration Activities ........................ 46 5.4.4 Flooding ......................................................................................................................... 47 5.4.5 Climate variability and Climate Change ........................................................................ 49 6 REVIEW OF LITERATURE AND SITE SURVEYS: CULTURAL HERITAGE ...................................... 51 6.1 INDIGENOUS HERITAGE (AHMS, 2013) ................................................................................. 51 6.1.1 Findings ......................................................................................................................... 51 6.1.2 Recommendations ........................................................................................................ 51 6.2 NON-INDIGENOUS HERITAGE (AHMS, 2013) ........................................................................ 54 6.2.1 Findings ......................................................................................................................... 57 6.2.2 Recommendations ........................................................................................................ 58 7 REVIEW OF LITERATURE: BUFFER ZONES AND SETBACK ....................................................... 59 7.1 REVIEW OF SCIENTIFIC KNOWLEDGE .................................................................................... 59 7.1.1 The importance of the riparian zone ............................................................................ 59 7.1.2 Riparian zones in an urbanised environment ............................................................... 59 7.1.3 Riparian buffers and zone boundaries .........................................................................